Ohio Interactive Heat Zones Map
| Zone 1 < 1 days > 86°F | Zone 2 1 - 7 days > 86°F | Zone 3 8 - 14 days > 86°F | Zone 4 15 - 30 days > 86°F |
| Zone 5 31 - 45 days > 86°F | Zone 6 46 - 60 days > 86°F | Zone 7 61 - 90 days > 86°F |
To assist Ohio gardeners, Plantmaps has derived zones indicating the average number of days each year that an area experiences temperatures over 86 degrees F. These zones are derived from the historical climate data from the National Weather Service.
Heat Zone Maps for Neighboring States and Provinces
Related Ohio Maps:
Heat Zones for Cities and Towns in Ohio
| Location | Heat Zone |
|---|---|
| Aberdeen | Heat Zone 6 46 - 60 days > 86°F |
| Ada | Heat Zone 1 < 1 days > 86°F |
| Adamsville | Heat Zone 1 < 1 days > 86°F |
| Addyston | Heat Zone 4 15 - 30 days > 86°F |
| Adelphi | Heat Zone 4 15 - 30 days > 86°F |
| Adena | Heat Zone 1 < 1 days > 86°F |
| Adrian | Heat Zone 1 < 1 days > 86°F |
| Akron | Heat Zone 1 < 1 days > 86°F |
| Albany | Heat Zone 2 1 - 7 days > 86°F |
| Alexandria | Heat Zone 1 < 1 days > 86°F |
| Alger | Heat Zone 1 < 1 days > 86°F |
| Alledonia | Heat Zone 2 1 - 7 days > 86°F |
| Alliance | Heat Zone 1 < 1 days > 86°F |
| Alpha | Heat Zone 4 15 - 30 days > 86°F |
| Alvada | Heat Zone 1 < 1 days > 86°F |
| Alvordton | Heat Zone 1 < 1 days > 86°F |
| Amanda | Heat Zone 3 8 - 14 days > 86°F |
| Amberley | Heat Zone 4 15 - 30 days > 86°F |
| Amelia | Heat Zone 4 15 - 30 days > 86°F |
| Amesville | Heat Zone 1 < 1 days > 86°F |
| Amherst | Heat Zone 1 < 1 days > 86°F |
| Amlin | Heat Zone 2 1 - 7 days > 86°F |
| Amsden | Heat Zone 1 < 1 days > 86°F |
| Amsterdam | Heat Zone 1 < 1 days > 86°F |
| Andersonville | Heat Zone 3 8 - 14 days > 86°F |
| Andover | Heat Zone 1 < 1 days > 86°F |
| Anna | Heat Zone 1 < 1 days > 86°F |
| Ansonia | Heat Zone 1 < 1 days > 86°F |
| Antioch | Heat Zone 3 8 - 14 days > 86°F |
| Antwerp | Heat Zone 2 1 - 7 days > 86°F |
| Apple Creek | Heat Zone 1 < 1 days > 86°F |
| Aquilla | Heat Zone 1 < 1 days > 86°F |
| Arcadia | Heat Zone 1 < 1 days > 86°F |
| Arcanum | Heat Zone 1 < 1 days > 86°F |
| Archbold | Heat Zone 1 < 1 days > 86°F |
| Arlington | Heat Zone 1 < 1 days > 86°F |
| Arlington Heights | Heat Zone 4 15 - 30 days > 86°F |
| Ashland | Heat Zone 1 < 1 days > 86°F |
| Ashley | Heat Zone 2 1 - 7 days > 86°F |
| Ashtabula | Heat Zone 1 < 1 days > 86°F |
| Ashville | Heat Zone 4 15 - 30 days > 86°F |
| Athalia | Heat Zone 4 15 - 30 days > 86°F |
| Athens | Heat Zone 1 < 1 days > 86°F |
| Attica | Heat Zone 1 < 1 days > 86°F |
| Atwater | Heat Zone 1 < 1 days > 86°F |
| Augusta | Heat Zone 1 < 1 days > 86°F |
| Aurora | Heat Zone 1 < 1 days > 86°F |
| Austinburg | Heat Zone 1 < 1 days > 86°F |
| Austintown | Heat Zone 2 1 - 7 days > 86°F |
| Ava | Heat Zone 1 < 1 days > 86°F |
| Avon | Heat Zone 1 < 1 days > 86°F |
| Avon Center | Heat Zone 1 < 1 days > 86°F |
| Avon Lake | Heat Zone 1 < 1 days > 86°F |
| Bailey Lake | Heat Zone 1 < 1 days > 86°F |
| Bailey Lakes | Heat Zone 1 < 1 days > 86°F |
| Bainbridge | Heat Zone 4 15 - 30 days > 86°F |
| Bairdstown | Heat Zone 1 < 1 days > 86°F |
| Bakersville | Heat Zone 1 < 1 days > 86°F |
| Ballville | Heat Zone 1 < 1 days > 86°F |
| Baltic | Heat Zone 1 < 1 days > 86°F |
| Baltimore | Heat Zone 2 1 - 7 days > 86°F |
| Bannock | Heat Zone 1 < 1 days > 86°F |
| Barberton | Heat Zone 1 < 1 days > 86°F |
| Barlow | Heat Zone 3 8 - 14 days > 86°F |
| Barnesville | Heat Zone 1 < 1 days > 86°F |
| Barnhill | Heat Zone 2 1 - 7 days > 86°F |
| Bartlett | Heat Zone 2 1 - 7 days > 86°F |
| Barton | Heat Zone 2 1 - 7 days > 86°F |
| Bascom | Heat Zone 1 < 1 days > 86°F |
| Batavia | Heat Zone 4 15 - 30 days > 86°F |
| Batesville | Heat Zone 1 < 1 days > 86°F |
| Bath | Heat Zone 1 < 1 days > 86°F |
| Bay View | Heat Zone 1 < 1 days > 86°F |
| Bay Village | Heat Zone 1 < 1 days > 86°F |
| Beach City | Heat Zone 1 < 1 days > 86°F |
| Beachwood | Heat Zone 1 < 1 days > 86°F |
| Beallsville | Heat Zone 2 1 - 7 days > 86°F |
| Beaver | Heat Zone 4 15 - 30 days > 86°F |
| Beavercreek | Heat Zone 4 15 - 30 days > 86°F |
| Beaverdam | Heat Zone 1 < 1 days > 86°F |
| Beckett Ridge | Heat Zone 5 31 - 45 days > 86°F |
| Bedford | Heat Zone 1 < 1 days > 86°F |
| Bedford Heights | Heat Zone 1 < 1 days > 86°F |
| Beechwood Trails | Heat Zone 1 < 1 days > 86°F |
| Bellaire | Heat Zone 1 < 1 days > 86°F |
| Bellbrook | Heat Zone 4 15 - 30 days > 86°F |
| Belle Center | Heat Zone 1 < 1 days > 86°F |
| Belle Valley | Heat Zone 1 < 1 days > 86°F |
| Bellefontaine | Heat Zone 1 < 1 days > 86°F |
| Bellevue | Heat Zone 1 < 1 days > 86°F |
| Bellville | Heat Zone 1 < 1 days > 86°F |
| Belmont | Heat Zone 1 < 1 days > 86°F |
| Belmore | Heat Zone 1 < 1 days > 86°F |
| Beloit | Heat Zone 1 < 1 days > 86°F |
| Belpre | Heat Zone 3 8 - 14 days > 86°F |
| Bentleyville | Heat Zone 1 < 1 days > 86°F |
| Benton Ridge | Heat Zone 1 < 1 days > 86°F |
| Bentonville | Heat Zone 4 15 - 30 days > 86°F |
| Berea | Heat Zone 1 < 1 days > 86°F |
| Bergholz | Heat Zone 1 < 1 days > 86°F |
| Berkey | Heat Zone 2 1 - 7 days > 86°F |
| Berlin | Heat Zone 1 < 1 days > 86°F |
| Berlin Center | Heat Zone 1 < 1 days > 86°F |
| Berlin Heights | Heat Zone 1 < 1 days > 86°F |
| Bethel | Heat Zone 4 15 - 30 days > 86°F |
| Bethesda | Heat Zone 1 < 1 days > 86°F |
| Bettsville | Heat Zone 1 < 1 days > 86°F |
| Beulah Beach | Heat Zone 1 < 1 days > 86°F |
| Beverly | Heat Zone 2 1 - 7 days > 86°F |
| Bexley | Heat Zone 1 < 1 days > 86°F |
| Bidwell | Heat Zone 5 31 - 45 days > 86°F |
| Big Island | Heat Zone 1 < 1 days > 86°F |
| Big Prairie | Heat Zone 1 < 1 days > 86°F |
| Birmingham | Heat Zone 1 < 1 days > 86°F |
| Blacklick | Heat Zone 1 < 1 days > 86°F |
| Blacklick Estates | Heat Zone 1 < 1 days > 86°F |
| Bladensburg | Heat Zone 1 < 1 days > 86°F |
| Blaine | Heat Zone 2 1 - 7 days > 86°F |
| Blakeslee | Heat Zone 1 < 1 days > 86°F |
| Blanchester | Heat Zone 3 8 - 14 days > 86°F |
| Blissfield | Heat Zone 1 < 1 days > 86°F |
| Bloomdale | Heat Zone 1 < 1 days > 86°F |
| Bloomingburg | Heat Zone 1 < 1 days > 86°F |
| Bloomingdale | Heat Zone 1 < 1 days > 86°F |
| Bloomville | Heat Zone 1 < 1 days > 86°F |
| Blue Ash | Heat Zone 4 15 - 30 days > 86°F |
| Blue Creek | Heat Zone 4 15 - 30 days > 86°F |
| Blue Jay | Heat Zone 4 15 - 30 days > 86°F |
| Blue Rock | Heat Zone 1 < 1 days > 86°F |
| Bluffton | Heat Zone 1 < 1 days > 86°F |
| Boardman | Heat Zone 1 < 1 days > 86°F |
| Bolindale | Heat Zone 1 < 1 days > 86°F |
| Bolivar | Heat Zone 2 1 - 7 days > 86°F |
| Boston Heights | Heat Zone 1 < 1 days > 86°F |
| Botkins | Heat Zone 1 < 1 days > 86°F |
| Bourneville | Heat Zone 4 15 - 30 days > 86°F |
| Bowerston | Heat Zone 2 1 - 7 days > 86°F |
| Bowersville | Heat Zone 2 1 - 7 days > 86°F |
| Bowling Green | Heat Zone 1 < 1 days > 86°F |
| Braceville | Heat Zone 1 < 1 days > 86°F |
| Bradford | Heat Zone 1 < 1 days > 86°F |
| Bradner | Heat Zone 1 < 1 days > 86°F |
| Brady Lake | Heat Zone 1 < 1 days > 86°F |
| Bratenahl | Heat Zone 1 < 1 days > 86°F |
| Brecksville | Heat Zone 1 < 1 days > 86°F |
| Brecon | Heat Zone 4 15 - 30 days > 86°F |
| Bremen | Heat Zone 2 1 - 7 days > 86°F |
| Brentwood | Heat Zone 5 31 - 45 days > 86°F |
| Brewster | Heat Zone 1 < 1 days > 86°F |
| Briarwood Beach | Heat Zone 1 < 1 days > 86°F |
| Brice | Heat Zone 1 < 1 days > 86°F |
| Bridgeport | Heat Zone 1 < 1 days > 86°F |
| Bridgetown | Heat Zone 5 31 - 45 days > 86°F |
| Bridgetown North | Heat Zone 5 31 - 45 days > 86°F |
| Brilliant | Heat Zone 1 < 1 days > 86°F |
| Brimfield | Heat Zone 1 < 1 days > 86°F |
| Brinkhaven | Heat Zone 1 < 1 days > 86°F |
| Bristolville | Heat Zone 1 < 1 days > 86°F |
| Broadview Heights | Heat Zone 1 < 1 days > 86°F |
| Broadway | Heat Zone 2 1 - 7 days > 86°F |
| Brook Park | Heat Zone 1 < 1 days > 86°F |
| Brookfield | Heat Zone 1 < 1 days > 86°F |
| Brookfield Center | Heat Zone 1 < 1 days > 86°F |
| Brooklyn | Heat Zone 1 < 1 days > 86°F |
| Brooklyn Heights | Heat Zone 1 < 1 days > 86°F |
| Brookside | Heat Zone 1 < 1 days > 86°F |
| Brookville | Heat Zone 3 8 - 14 days > 86°F |
| Broughton | Heat Zone 2 1 - 7 days > 86°F |
| Brown | Heat Zone 3 8 - 14 days > 86°F |
| Brownsville | Heat Zone 2 1 - 7 days > 86°F |
| Brunswick | Heat Zone 1 < 1 days > 86°F |
| Brush Creek | Heat Zone 1 < 1 days > 86°F |
| Bryan | Heat Zone 1 < 1 days > 86°F |
| Buchtel | Heat Zone 1 < 1 days > 86°F |
| Buckeye Lake | Heat Zone 2 1 - 7 days > 86°F |
| Buckland | Heat Zone 1 < 1 days > 86°F |
| Bucyrus | Heat Zone 1 < 1 days > 86°F |
| Buffalo | Heat Zone 2 1 - 7 days > 86°F |
| Buford | Heat Zone 3 8 - 14 days > 86°F |
| Burbank | Heat Zone 1 < 1 days > 86°F |
| Burghill | Heat Zone 1 < 1 days > 86°F |
| Burgoon | Heat Zone 1 < 1 days > 86°F |
| Burkettsville | Heat Zone 1 < 1 days > 86°F |
| Burlington | Heat Zone 5 31 - 45 days > 86°F |
| Burton | Heat Zone 1 < 1 days > 86°F |
| Butler | Heat Zone 1 < 1 days > 86°F |
| Butlerville | Heat Zone 4 15 - 30 days > 86°F |
| Byesville | Heat Zone 2 1 - 7 days > 86°F |
| Cable | Heat Zone 2 1 - 7 days > 86°F |
| Cadiz | Heat Zone 1 < 1 days > 86°F |
| Cairo | Heat Zone 1 < 1 days > 86°F |
| Calcutta | Heat Zone 1 < 1 days > 86°F |
| Caldwell | Heat Zone 2 1 - 7 days > 86°F |
| Caledonia | Heat Zone 1 < 1 days > 86°F |
| Cambridge | Heat Zone 2 1 - 7 days > 86°F |
| Camden | Heat Zone 2 1 - 7 days > 86°F |
| Cameron | Heat Zone 2 1 - 7 days > 86°F |
| Camp Dennison | Heat Zone 4 15 - 30 days > 86°F |
| Campbell | Heat Zone 1 < 1 days > 86°F |
| Canaan | Heat Zone 1 < 1 days > 86°F |
| Canal Fulton | Heat Zone 1 < 1 days > 86°F |
| Canal Lewisville | Heat Zone 1 < 1 days > 86°F |
| Canal Winchester | Heat Zone 1 < 1 days > 86°F |
| Canfield | Heat Zone 1 < 1 days > 86°F |
| Canton | Heat Zone 1 < 1 days > 86°F |
| Carbon Hill | Heat Zone 2 1 - 7 days > 86°F |
| Carbondale | Heat Zone 2 1 - 7 days > 86°F |
| Cardington | Heat Zone 2 1 - 7 days > 86°F |
| Carey | Heat Zone 1 < 1 days > 86°F |
| Carlisle | Heat Zone 2 1 - 7 days > 86°F |
| Carroll | Heat Zone 2 1 - 7 days > 86°F |
| Carrollton | Heat Zone 2 1 - 7 days > 86°F |
| Casstown | Heat Zone 2 1 - 7 days > 86°F |
| Castalia | Heat Zone 1 < 1 days > 86°F |
| Castine | Heat Zone 1 < 1 days > 86°F |
| Catawba | Heat Zone 2 1 - 7 days > 86°F |
| Catawba Island | Heat Zone 1 < 1 days > 86°F |
| Cecil | Heat Zone 2 1 - 7 days > 86°F |
| Cedarville | Heat Zone 2 1 - 7 days > 86°F |
| Celeryville | Heat Zone 1 < 1 days > 86°F |
| Celina | Heat Zone 1 < 1 days > 86°F |
| Centerburg | Heat Zone 1 < 1 days > 86°F |
| Centerville | Heat Zone 4 15 - 30 days > 86°F |
| Chagrin Falls | Heat Zone 1 < 1 days > 86°F |
| Champion Heights | Heat Zone 1 < 1 days > 86°F |
| Chandlersville | Heat Zone 1 < 1 days > 86°F |
| Chardon | Heat Zone 1 < 1 days > 86°F |
| Charlestown | Heat Zone 1 < 1 days > 86°F |
| Charm | Heat Zone 1 < 1 days > 86°F |
| Chatfield | Heat Zone 1 < 1 days > 86°F |
| Chatham | Heat Zone 1 < 1 days > 86°F |
| Chauncey | Heat Zone 1 < 1 days > 86°F |
| Cherry Fork | Heat Zone 4 15 - 30 days > 86°F |
| Cherry Grove | Heat Zone 4 15 - 30 days > 86°F |
| Chesapeake | Heat Zone 5 31 - 45 days > 86°F |
| Cheshire | Heat Zone 5 31 - 45 days > 86°F |
| Chester | Heat Zone 5 31 - 45 days > 86°F |
| Chesterhill | Heat Zone 1 < 1 days > 86°F |
| Chesterland | Heat Zone 1 < 1 days > 86°F |
| Chesterville | Heat Zone 1 < 1 days > 86°F |
| Cheviot | Heat Zone 5 31 - 45 days > 86°F |
| Chickasaw | Heat Zone 1 < 1 days > 86°F |
| Chillicothe | Heat Zone 3 8 - 14 days > 86°F |
| Chilo | Heat Zone 4 15 - 30 days > 86°F |
| Chippewa Lake | Heat Zone 1 < 1 days > 86°F |
| Chippewa-on-the-Lake | Heat Zone 1 < 1 days > 86°F |
| Chocktou Lake | Heat Zone 2 1 - 7 days > 86°F |
| Choctaw Lake | Heat Zone 2 1 - 7 days > 86°F |
| Christiansburg | Heat Zone 1 < 1 days > 86°F |
| Churchill | Heat Zone 1 < 1 days > 86°F |
| Cincinnati | Heat Zone 4 15 - 30 days > 86°F |
| Circleville | Heat Zone 4 15 - 30 days > 86°F |
| Claridon | Heat Zone 1 < 1 days > 86°F |
| Clarington | Heat Zone 2 1 - 7 days > 86°F |
| Clarksburg | Heat Zone 3 8 - 14 days > 86°F |
| Clarksville | Heat Zone 2 1 - 7 days > 86°F |
| Clarktown | Heat Zone 5 31 - 45 days > 86°F |
| Clay Center | Heat Zone 2 1 - 7 days > 86°F |
| Clayton | Heat Zone 3 8 - 14 days > 86°F |
| Cleveland | Heat Zone 1 < 1 days > 86°F |
| Cleveland Heights | Heat Zone 1 < 1 days > 86°F |
| Cleveland/Burke Lakefront Arpt | Heat Zone 1 < 1 days > 86°F |
| Cleves | Heat Zone 4 15 - 30 days > 86°F |
| Clifton | Heat Zone 1 < 1 days > 86°F |
| Clinton | Heat Zone 1 < 1 days > 86°F |
| Cloverdale | Heat Zone 2 1 - 7 days > 86°F |
| Clyde | Heat Zone 1 < 1 days > 86°F |
| Coal Grove | Heat Zone 6 46 - 60 days > 86°F |
| Coal Run | Heat Zone 2 1 - 7 days > 86°F |
| Coalton | Heat Zone 3 8 - 14 days > 86°F |
| Coldwater | Heat Zone 1 < 1 days > 86°F |
| Colerain | Heat Zone 2 1 - 7 days > 86°F |
| College Corner | Heat Zone 4 15 - 30 days > 86°F |
| Collins | Heat Zone 1 < 1 days > 86°F |
| Collinsville | Heat Zone 4 15 - 30 days > 86°F |
| Colton | Heat Zone 1 < 1 days > 86°F |
| Columbia Station | Heat Zone 1 < 1 days > 86°F |
| Columbiana | Heat Zone 1 < 1 days > 86°F |
| Columbus | Heat Zone 1 < 1 days > 86°F |
| Columbus Grove | Heat Zone 1 < 1 days > 86°F |
| Columbus/Bolton Field | Heat Zone 2 1 - 7 days > 86°F |
| Columbus/OSU Arpt | Heat Zone 2 1 - 7 days > 86°F |
| Columbus/Rickenbacker ANGB | Heat Zone 2 1 - 7 days > 86°F |
| Commercial Point | Heat Zone 3 8 - 14 days > 86°F |
| Conesville | Heat Zone 1 < 1 days > 86°F |
| Congress | Heat Zone 1 < 1 days > 86°F |
| Conneaut | Heat Zone 1 < 1 days > 86°F |
| Conover | Heat Zone 1 < 1 days > 86°F |
| Continental | Heat Zone 1 < 1 days > 86°F |
| Convoy | Heat Zone 2 1 - 7 days > 86°F |
| Coolville | Heat Zone 3 8 - 14 days > 86°F |
| Copley | Heat Zone 1 < 1 days > 86°F |
| Corning | Heat Zone 1 < 1 days > 86°F |
| Cortland | Heat Zone 1 < 1 days > 86°F |
| Corwin | Heat Zone 2 1 - 7 days > 86°F |
| Coshocton | Heat Zone 1 < 1 days > 86°F |
| Covedale | Heat Zone 4 15 - 30 days > 86°F |
| Covington | Heat Zone 1 < 1 days > 86°F |
| Craig Beach | Heat Zone 1 < 1 days > 86°F |
| Crawford | Heat Zone 1 < 1 days > 86°F |
| Creola | Heat Zone 2 1 - 7 days > 86°F |
| Crestline | Heat Zone 1 < 1 days > 86°F |
| Creston | Heat Zone 1 < 1 days > 86°F |
| Cridersville | Heat Zone 1 < 1 days > 86°F |
| Crooksville | Heat Zone 2 1 - 7 days > 86°F |
| Croton | Heat Zone 1 < 1 days > 86°F |
| Crown City | Heat Zone 5 31 - 45 days > 86°F |
| Crystal Lakes | Heat Zone 3 8 - 14 days > 86°F |
| Crystal Rock | Heat Zone 1 < 1 days > 86°F |
| Cuba | Heat Zone 2 1 - 7 days > 86°F |
| Cumberland | Heat Zone 1 < 1 days > 86°F |
| Curtice | Heat Zone 2 1 - 7 days > 86°F |
| Custar | Heat Zone 1 < 1 days > 86°F |
| Cutler | Heat Zone 2 1 - 7 days > 86°F |
| Cuyahoga Falls | Heat Zone 1 < 1 days > 86°F |
| Cuyahoga Heights | Heat Zone 1 < 1 days > 86°F |
| Cygnet | Heat Zone 1 < 1 days > 86°F |
| Cynthiana | Heat Zone 2 1 - 7 days > 86°F |
| Dalton | Heat Zone 1 < 1 days > 86°F |
| Damascus | Heat Zone 1 < 1 days > 86°F |
| Danbury | Heat Zone 1 < 1 days > 86°F |
| Danville | Heat Zone 1 < 1 days > 86°F |
| Darbydale | Heat Zone 3 8 - 14 days > 86°F |
| Darbyville | Heat Zone 4 15 - 30 days > 86°F |
| Day Heights | Heat Zone 4 15 - 30 days > 86°F |
| Dayton | Heat Zone 5 31 - 45 days > 86°F |
| Dayton/Wright-Patterson AFB | Heat Zone 4 15 - 30 days > 86°F |
| De Graff | Heat Zone 1 < 1 days > 86°F |
| Decatur | Heat Zone 4 15 - 30 days > 86°F |
| Deer Park | Heat Zone 4 15 - 30 days > 86°F |
| Deerfield | Heat Zone 1 < 1 days > 86°F |
| Deersville | Heat Zone 2 1 - 7 days > 86°F |
| Defiance | Heat Zone 2 1 - 7 days > 86°F |
| Delaware | Heat Zone 2 1 - 7 days > 86°F |
| Delhi Hills | Heat Zone 4 15 - 30 days > 86°F |
| Dellroy | Heat Zone 2 1 - 7 days > 86°F |
| Delphos | Heat Zone 2 1 - 7 days > 86°F |
| Delta | Heat Zone 1 < 1 days > 86°F |
| Dennison | Heat Zone 2 1 - 7 days > 86°F |
| Dent | Heat Zone 4 15 - 30 days > 86°F |
| Derby | Heat Zone 3 8 - 14 days > 86°F |
| Derwent | Heat Zone 2 1 - 7 days > 86°F |
| Deshler | Heat Zone 1 < 1 days > 86°F |
| Devola | Heat Zone 2 1 - 7 days > 86°F |
| Dexter City | Heat Zone 2 1 - 7 days > 86°F |
| Diamond | Heat Zone 1 < 1 days > 86°F |
| Dillonvale | Heat Zone 1 < 1 days > 86°F |
| Dola | Heat Zone 1 < 1 days > 86°F |
| Donnelsville | Heat Zone 1 < 1 days > 86°F |
| Dorset | Heat Zone 1 < 1 days > 86°F |
| Dover | Heat Zone 2 1 - 7 days > 86°F |
| Doylestown | Heat Zone 1 < 1 days > 86°F |
| Dresden | Heat Zone 1 < 1 days > 86°F |
| Drexel | Heat Zone 4 15 - 30 days > 86°F |
| Dry Ridge | Heat Zone 5 31 - 45 days > 86°F |
| Dry Run | Heat Zone 4 15 - 30 days > 86°F |
| Dublin | Heat Zone 2 1 - 7 days > 86°F |
| Dunbridge | Heat Zone 2 1 - 7 days > 86°F |
| Duncan Falls | Heat Zone 1 < 1 days > 86°F |
| Dundee | Heat Zone 1 < 1 days > 86°F |
| Dunham | Heat Zone 3 8 - 14 days > 86°F |
| Dunkirk | Heat Zone 1 < 1 days > 86°F |
| Dunlap | Heat Zone 5 31 - 45 days > 86°F |
| Dupont | Heat Zone 2 1 - 7 days > 86°F |
| East Canton | Heat Zone 1 < 1 days > 86°F |
| East Claridon | Heat Zone 1 < 1 days > 86°F |
| East Cleveland | Heat Zone 1 < 1 days > 86°F |
| East Fultonham | Heat Zone 2 1 - 7 days > 86°F |
| East Liberty | Heat Zone 2 1 - 7 days > 86°F |
| East Liverpool | Heat Zone 1 < 1 days > 86°F |
| East Palestine | Heat Zone 1 < 1 days > 86°F |
| East Rochester | Heat Zone 1 < 1 days > 86°F |
| East Sparta | Heat Zone 2 1 - 7 days > 86°F |
| East Springfield | Heat Zone 1 < 1 days > 86°F |
| East Union | Heat Zone 1 < 1 days > 86°F |
| Eastlake | Heat Zone 1 < 1 days > 86°F |
| Eaton | Heat Zone 1 < 1 days > 86°F |
| Eaton Estates | Heat Zone 1 < 1 days > 86°F |
| Edgerton | Heat Zone 1 < 1 days > 86°F |
| Edgewood | Heat Zone 1 < 1 days > 86°F |
| Edinburg | Heat Zone 1 < 1 days > 86°F |
| Edison | Heat Zone 1 < 1 days > 86°F |
| Edon | Heat Zone 1 < 1 days > 86°F |
| Eldorado | Heat Zone 1 < 1 days > 86°F |
| Elgin | Heat Zone 2 1 - 7 days > 86°F |
| Elida | Heat Zone 1 < 1 days > 86°F |
| Elizabethtown | Heat Zone 4 15 - 30 days > 86°F |
| Elk | Heat Zone 2 1 - 7 days > 86°F |
| Elkton | Heat Zone 1 < 1 days > 86°F |
| Ellsworth | Heat Zone 1 < 1 days > 86°F |
| Elmore | Heat Zone 2 1 - 7 days > 86°F |
| Elmwood Place | Heat Zone 4 15 - 30 days > 86°F |
| Elyria | Heat Zone 1 < 1 days > 86°F |
| Empire | Heat Zone 1 < 1 days > 86°F |
| Englewood | Heat Zone 3 8 - 14 days > 86°F |
| Enon | Heat Zone 1 < 1 days > 86°F |
| Etna | Heat Zone 1 < 1 days > 86°F |
| Euclid | Heat Zone 1 < 1 days > 86°F |
| Evansport | Heat Zone 1 < 1 days > 86°F |
| Evendale | Heat Zone 4 15 - 30 days > 86°F |
| Fairborn | Heat Zone 4 15 - 30 days > 86°F |
| Fairfax | Heat Zone 4 15 - 30 days > 86°F |
| Fairfield | Heat Zone 6 46 - 60 days > 86°F |
| Fairfield Beach | Heat Zone 2 1 - 7 days > 86°F |
| Fairlawn | Heat Zone 1 < 1 days > 86°F |
| Fairpoint | Heat Zone 1 < 1 days > 86°F |
| Fairport Harbor | Heat Zone 1 < 1 days > 86°F |
| Fairview | Heat Zone 1 < 1 days > 86°F |
| Fairview Lanes | Heat Zone 1 < 1 days > 86°F |
| Fairview Park | Heat Zone 1 < 1 days > 86°F |
| Farmdale | Heat Zone 1 < 1 days > 86°F |
| Farmer | Heat Zone 1 < 1 days > 86°F |
| Farmersville | Heat Zone 3 8 - 14 days > 86°F |
| Farmington | Heat Zone 1 < 1 days > 86°F |
| Fayette | Heat Zone 1 < 1 days > 86°F |
| Fayetteville | Heat Zone 3 8 - 14 days > 86°F |
| Feesburg | Heat Zone 4 15 - 30 days > 86°F |
| Felicity | Heat Zone 4 15 - 30 days > 86°F |
| Findlay | Heat Zone 1 < 1 days > 86°F |
| Finneytown | Heat Zone 4 15 - 30 days > 86°F |
| Five Points | Heat Zone 3 8 - 14 days > 86°F |
| Flat Rock | Heat Zone 1 < 1 days > 86°F |
| Fleming | Heat Zone 3 8 - 14 days > 86°F |
| Fletcher | Heat Zone 1 < 1 days > 86°F |
| Florida | Heat Zone 1 < 1 days > 86°F |
| Flushing | Heat Zone 1 < 1 days > 86°F |
| Forest | Heat Zone 1 < 1 days > 86°F |
| Forest Park | Heat Zone 5 31 - 45 days > 86°F |
| Forestville | Heat Zone 4 15 - 30 days > 86°F |
| Fort Jennings | Heat Zone 2 1 - 7 days > 86°F |
| Fort Loramie | Heat Zone 1 < 1 days > 86°F |
| Fort McKinley | Heat Zone 4 15 - 30 days > 86°F |
| Fort Recovery | Heat Zone 1 < 1 days > 86°F |
| Fort Seneca | Heat Zone 1 < 1 days > 86°F |
| Fort Shawnee | Heat Zone 1 < 1 days > 86°F |
| Fostoria | Heat Zone 1 < 1 days > 86°F |
| Fowler | Heat Zone 1 < 1 days > 86°F |
| Frankfort | Heat Zone 3 8 - 14 days > 86°F |
| Franklin | Heat Zone 2 1 - 7 days > 86°F |
| Franklin Furnace | Heat Zone 6 46 - 60 days > 86°F |
| Frazeysburg | Heat Zone 1 < 1 days > 86°F |
| Fredericksburg | Heat Zone 1 < 1 days > 86°F |
| Fredericktown | Heat Zone 1 < 1 days > 86°F |
| Freedom | Heat Zone 1 < 1 days > 86°F |
| Freeport | Heat Zone 2 1 - 7 days > 86°F |
| Fremont | Heat Zone 1 < 1 days > 86°F |
| Fresno | Heat Zone 1 < 1 days > 86°F |
| Friendship | Heat Zone 5 31 - 45 days > 86°F |
| Fruit Hill | Heat Zone 4 15 - 30 days > 86°F |
| Fulton | Heat Zone 2 1 - 7 days > 86°F |
| Fultonham | Heat Zone 2 1 - 7 days > 86°F |
| Gahanna | Heat Zone 1 < 1 days > 86°F |
| Galena | Heat Zone 2 1 - 7 days > 86°F |
| Galion | Heat Zone 1 < 1 days > 86°F |
| Gallipolis | Heat Zone 7 61 - 90 days > 86°F |
| Galloway | Heat Zone 1 < 1 days > 86°F |
| Gambier | Heat Zone 1 < 1 days > 86°F |
| Gann | Heat Zone 1 < 1 days > 86°F |
| Garfield Heights | Heat Zone 1 < 1 days > 86°F |
| Garrettsville | Heat Zone 1 < 1 days > 86°F |
| Gates Mills | Heat Zone 1 < 1 days > 86°F |
| Geneva | Heat Zone 1 < 1 days > 86°F |
| Geneva-on-the-Lake | Heat Zone 1 < 1 days > 86°F |
| Genoa | Heat Zone 2 1 - 7 days > 86°F |
| Georgetown | Heat Zone 4 15 - 30 days > 86°F |
| Germantown | Heat Zone 2 1 - 7 days > 86°F |
| Gettysburg | Heat Zone 1 < 1 days > 86°F |
| Gibsonburg | Heat Zone 1 < 1 days > 86°F |
| Gilboa | Heat Zone 1 < 1 days > 86°F |
| Girard | Heat Zone 2 1 - 7 days > 86°F |
| Glandorf | Heat Zone 1 < 1 days > 86°F |
| Glencoe | Heat Zone 2 1 - 7 days > 86°F |
| Glendale | Heat Zone 5 31 - 45 days > 86°F |
| Glenford | Heat Zone 2 1 - 7 days > 86°F |
| Glenmont | Heat Zone 1 < 1 days > 86°F |
| Glenmoor | Heat Zone 1 < 1 days > 86°F |
| Glenwillow | Heat Zone 1 < 1 days > 86°F |
| Gloria Glens Park | Heat Zone 1 < 1 days > 86°F |
| Glouster | Heat Zone 1 < 1 days > 86°F |
| Gnadenhutten | Heat Zone 2 1 - 7 days > 86°F |
| Golf Manor | Heat Zone 4 15 - 30 days > 86°F |
| Gomer | Heat Zone 1 < 1 days > 86°F |
| Good Hope | Heat Zone 1 < 1 days > 86°F |
| Gordon | Heat Zone 1 < 1 days > 86°F |
| Goshen | Heat Zone 4 15 - 30 days > 86°F |
| Grafton | Heat Zone 1 < 1 days > 86°F |
| Grand Rapids | Heat Zone 1 < 1 days > 86°F |
| Grand River | Heat Zone 1 < 1 days > 86°F |
| Grandview | Heat Zone 4 15 - 30 days > 86°F |
| Grandview Heights | Heat Zone 2 1 - 7 days > 86°F |
| Granger | Heat Zone 1 < 1 days > 86°F |
| Granville | Heat Zone 1 < 1 days > 86°F |
| Granville South | Heat Zone 2 1 - 7 days > 86°F |
| Gratiot | Heat Zone 2 1 - 7 days > 86°F |
| Gratis | Heat Zone 2 1 - 7 days > 86°F |
| Graysville | Heat Zone 3 8 - 14 days > 86°F |
| Graytown | Heat Zone 2 1 - 7 days > 86°F |
| Green | Heat Zone 1 < 1 days > 86°F |
| Green Camp | Heat Zone 1 < 1 days > 86°F |
| Green Creek | Heat Zone 1 < 1 days > 86°F |
| Green Meadows | Heat Zone 3 8 - 14 days > 86°F |
| Green Springs | Heat Zone 1 < 1 days > 86°F |
| Greene | Heat Zone 1 < 1 days > 86°F |
| Greenfield | Heat Zone 2 1 - 7 days > 86°F |
| Greenford | Heat Zone 1 < 1 days > 86°F |
| Greenhills | Heat Zone 5 31 - 45 days > 86°F |
| Greensburg | Heat Zone 1 < 1 days > 86°F |
| Greentown | Heat Zone 1 < 1 days > 86°F |
| Greenville | Heat Zone 1 < 1 days > 86°F |
| Greenwich | Heat Zone 1 < 1 days > 86°F |
| Grelton | Heat Zone 1 < 1 days > 86°F |
| Groesbeck | Heat Zone 5 31 - 45 days > 86°F |
| Grove City | Heat Zone 2 1 - 7 days > 86°F |
| Groveport | Heat Zone 1 < 1 days > 86°F |
| Grover Hill | Heat Zone 2 1 - 7 days > 86°F |
| Gustavus | Heat Zone 1 < 1 days > 86°F |
| Guysville | Heat Zone 2 1 - 7 days > 86°F |
| Gypsum | Heat Zone 1 < 1 days > 86°F |
| Hallsville | Heat Zone 4 15 - 30 days > 86°F |
| Hamden | Heat Zone 3 8 - 14 days > 86°F |
| Hamersville | Heat Zone 4 15 - 30 days > 86°F |
| Hamilton | Heat Zone 6 46 - 60 days > 86°F |
| Hamler | Heat Zone 1 < 1 days > 86°F |
| Hammondsville | Heat Zone 1 < 1 days > 86°F |
| Hanging Rock | Heat Zone 6 46 - 60 days > 86°F |
| Hannibal | Heat Zone 1 < 1 days > 86°F |
| Hanover | Heat Zone 2 1 - 7 days > 86°F |
| Hanoverton | Heat Zone 1 < 1 days > 86°F |
| Harbor Hills | Heat Zone 2 1 - 7 days > 86°F |
| Harbor View | Heat Zone 3 8 - 14 days > 86°F |
| Harlem Springs | Heat Zone 1 < 1 days > 86°F |
| Harpster | Heat Zone 1 < 1 days > 86°F |
| Harrisburg | Heat Zone 3 8 - 14 days > 86°F |
| Harrison | Heat Zone 4 15 - 30 days > 86°F |
| Harrisville | Heat Zone 1 < 1 days > 86°F |
| Harrod | Heat Zone 1 < 1 days > 86°F |
| Hartford | Heat Zone 1 < 1 days > 86°F |
| Hartville | Heat Zone 1 < 1 days > 86°F |
| Harveysburg | Heat Zone 2 1 - 7 days > 86°F |
| Haskins | Heat Zone 1 < 1 days > 86°F |
| Haverhill | Heat Zone 6 46 - 60 days > 86°F |
| Haviland | Heat Zone 2 1 - 7 days > 86°F |
| Haydenville | Heat Zone 2 1 - 7 days > 86°F |
| Hayesville | Heat Zone 1 < 1 days > 86°F |
| Heath | Heat Zone 2 1 - 7 days > 86°F |
| Hebron | Heat Zone 2 1 - 7 days > 86°F |
| Helena | Heat Zone 1 < 1 days > 86°F |
| Hemlock | Heat Zone 2 1 - 7 days > 86°F |
| Hessville | Heat Zone 1 < 1 days > 86°F |
| Hicksville | Heat Zone 1 < 1 days > 86°F |
| Hide-A-Way Hills | Heat Zone 2 1 - 7 days > 86°F |
| Higginsport | Heat Zone 4 15 - 30 days > 86°F |
| Highland | Heat Zone 2 1 - 7 days > 86°F |
| Highland Heights | Heat Zone 1 < 1 days > 86°F |
| Highland Hills | Heat Zone 1 < 1 days > 86°F |
| Highpoint | Heat Zone 4 15 - 30 days > 86°F |
| Hilliard | Heat Zone 2 1 - 7 days > 86°F |
| Hills and Dales | Heat Zone 1 < 1 days > 86°F |
| Hillsboro | Heat Zone 1 < 1 days > 86°F |
| Hilltop | Heat Zone 2 1 - 7 days > 86°F |
| Hinckley | Heat Zone 1 < 1 days > 86°F |
| Hiram | Heat Zone 1 < 1 days > 86°F |
| Hoaglin | Heat Zone 2 1 - 7 days > 86°F |
| Hockingport | Heat Zone 4 15 - 30 days > 86°F |
| Holgate | Heat Zone 1 < 1 days > 86°F |
| Holiday City | Heat Zone 1 < 1 days > 86°F |
| Holiday Valley | Heat Zone 3 8 - 14 days > 86°F |
| Holland | Heat Zone 2 1 - 7 days > 86°F |
| Hollansburg | Heat Zone 1 < 1 days > 86°F |
| Holloway | Heat Zone 1 < 1 days > 86°F |
| Holmesville | Heat Zone 1 < 1 days > 86°F |
| Homer | Heat Zone 1 < 1 days > 86°F |
| Homerville | Heat Zone 1 < 1 days > 86°F |
| Homeworth | Heat Zone 1 < 1 days > 86°F |
| Hooven | Heat Zone 4 15 - 30 days > 86°F |
| Hopedale | Heat Zone 1 < 1 days > 86°F |
| Hopewell | Heat Zone 1 < 1 days > 86°F |
| Houston | Heat Zone 1 < 1 days > 86°F |
| Howard | Heat Zone 1 < 1 days > 86°F |
| Howland Center | Heat Zone 1 < 1 days > 86°F |
| Hoytville | Heat Zone 1 < 1 days > 86°F |
| Hubbard | Heat Zone 1 < 1 days > 86°F |
| Huber Heights | Heat Zone 2 1 - 7 days > 86°F |
| Huber Ridge | Heat Zone 2 1 - 7 days > 86°F |
| Hudson | Heat Zone 1 < 1 days > 86°F |
| Hunter | Heat Zone 2 1 - 7 days > 86°F |
| Hunting Valley | Heat Zone 1 < 1 days > 86°F |
| Huntsburg | Heat Zone 1 < 1 days > 86°F |
| Huntsville | Heat Zone 1 < 1 days > 86°F |
| Huron | Heat Zone 1 < 1 days > 86°F |
| Iberia | Heat Zone 1 < 1 days > 86°F |
| Independence | Heat Zone 1 < 1 days > 86°F |
| Irondale | Heat Zone 1 < 1 days > 86°F |
| Ironton | Heat Zone 7 61 - 90 days > 86°F |
| Irwin | Heat Zone 2 1 - 7 days > 86°F |
| Isle Saint George | Heat Zone 1 < 1 days > 86°F |
| Ithaca | Heat Zone 1 < 1 days > 86°F |
| Jackson | Heat Zone 3 8 - 14 days > 86°F |
| Jackson Center | Heat Zone 1 < 1 days > 86°F |
| Jacksonburg | Heat Zone 4 15 - 30 days > 86°F |
| Jacksontown | Heat Zone 2 1 - 7 days > 86°F |
| Jacksonville | Heat Zone 1 < 1 days > 86°F |
| Jacobsburg | Heat Zone 2 1 - 7 days > 86°F |
| Jamestown | Heat Zone 2 1 - 7 days > 86°F |
| Jasper | Heat Zone 5 31 - 45 days > 86°F |
| Jefferson | Heat Zone 1 < 1 days > 86°F |
| Jeffersonville | Heat Zone 2 1 - 7 days > 86°F |
| Jenera | Heat Zone 1 < 1 days > 86°F |
| Jerome | Heat Zone 2 1 - 7 days > 86°F |
| Jeromesville | Heat Zone 1 < 1 days > 86°F |
| Jerry City | Heat Zone 1 < 1 days > 86°F |
| Jerusalem | Heat Zone 2 1 - 7 days > 86°F |
| Jewell | Heat Zone 1 < 1 days > 86°F |
| Jewett | Heat Zone 1 < 1 days > 86°F |
| Johnstown | Heat Zone 1 < 1 days > 86°F |
| Junction City | Heat Zone 2 1 - 7 days > 86°F |
| Kalida | Heat Zone 1 < 1 days > 86°F |
| Kanauga | Heat Zone 6 46 - 60 days > 86°F |
| Kansas | Heat Zone 1 < 1 days > 86°F |
| Keene | Heat Zone 1 < 1 days > 86°F |
| Kelleys Island | Heat Zone 1 < 1 days > 86°F |
| Kensington | Heat Zone 1 < 1 days > 86°F |
| Kent | Heat Zone 1 < 1 days > 86°F |
| Kenton | Heat Zone 1 < 1 days > 86°F |
| Kenwood | Heat Zone 4 15 - 30 days > 86°F |
| Kerr | Heat Zone 6 46 - 60 days > 86°F |
| Kettering | Heat Zone 5 31 - 45 days > 86°F |
| Kettlersville | Heat Zone 1 < 1 days > 86°F |
| Keystone | Heat Zone 3 8 - 14 days > 86°F |
| Kidron | Heat Zone 1 < 1 days > 86°F |
| Kilbourne | Heat Zone 2 1 - 7 days > 86°F |
| Killbuck | Heat Zone 1 < 1 days > 86°F |
| Kimbolton | Heat Zone 2 1 - 7 days > 86°F |
| Kings Mills | Heat Zone 4 15 - 30 days > 86°F |
| Kingston | Heat Zone 4 15 - 30 days > 86°F |
| Kingsville | Heat Zone 1 < 1 days > 86°F |
| Kinsman | Heat Zone 1 < 1 days > 86°F |
| Kipling | Heat Zone 2 1 - 7 days > 86°F |
| Kipton | Heat Zone 1 < 1 days > 86°F |
| Kirby | Heat Zone 1 < 1 days > 86°F |
| Kirkersville | Heat Zone 2 1 - 7 days > 86°F |
| Kirtland | Heat Zone 1 < 1 days > 86°F |
| Kirtland Hills | Heat Zone 1 < 1 days > 86°F |
| Kitts Hill | Heat Zone 5 31 - 45 days > 86°F |
| Kunkle | Heat Zone 1 < 1 days > 86°F |
| La Croft | Heat Zone 1 < 1 days > 86°F |
| La Rue | Heat Zone 1 < 1 days > 86°F |
| Lacarne | Heat Zone 1 < 1 days > 86°F |
| Lafayette | Heat Zone 1 < 1 days > 86°F |
| Lafferty | Heat Zone 1 < 1 days > 86°F |
| Lagrange | Heat Zone 1 < 1 days > 86°F |
| Laings | Heat Zone 2 1 - 7 days > 86°F |
| Lake Darby | Heat Zone 2 1 - 7 days > 86°F |
| Lake Milton | Heat Zone 1 < 1 days > 86°F |
| Lake Mohawk | Heat Zone 2 1 - 7 days > 86°F |
| Lakeline | Heat Zone 1 < 1 days > 86°F |
| Lakemore | Heat Zone 1 < 1 days > 86°F |
| Lakeside | Heat Zone 1 < 1 days > 86°F |
| Lakeside Marblehead | Heat Zone 1 < 1 days > 86°F |
| Lakeview | Heat Zone 1 < 1 days > 86°F |
| Lakeville | Heat Zone 1 < 1 days > 86°F |
| Lakewood | Heat Zone 1 < 1 days > 86°F |
| Lancaster | Heat Zone 2 1 - 7 days > 86°F |
| Landen | Heat Zone 4 15 - 30 days > 86°F |
| Langsville | Heat Zone 4 15 - 30 days > 86°F |
| Lansing | Heat Zone 1 < 1 days > 86°F |
| Latham | Heat Zone 4 15 - 30 days > 86°F |
| Latty | Heat Zone 2 1 - 7 days > 86°F |
| Laura | Heat Zone 3 8 - 14 days > 86°F |
| Laurelville | Heat Zone 4 15 - 30 days > 86°F |
| Lawrenceville | Heat Zone 1 < 1 days > 86°F |
| Leavittsburg | Heat Zone 1 < 1 days > 86°F |
| Lebanon | Heat Zone 3 8 - 14 days > 86°F |
| Lees Creek | Heat Zone 2 1 - 7 days > 86°F |
| Leesburg | Heat Zone 2 1 - 7 days > 86°F |
| Leesville | Heat Zone 2 1 - 7 days > 86°F |
| Leetonia | Heat Zone 1 < 1 days > 86°F |
| Leipsic | Heat Zone 1 < 1 days > 86°F |
| Lemoyne | Heat Zone 2 1 - 7 days > 86°F |
| Lewis Center | Heat Zone 2 1 - 7 days > 86°F |
| Lewisburg | Heat Zone 1 < 1 days > 86°F |
| Lewistown | Heat Zone 1 < 1 days > 86°F |
| Lewisville | Heat Zone 2 1 - 7 days > 86°F |
| Lexington | Heat Zone 1 < 1 days > 86°F |
| Liberty Center | Heat Zone 1 < 1 days > 86°F |
| Lima | Heat Zone 1 < 1 days > 86°F |
| Limaville | Heat Zone 1 < 1 days > 86°F |
| Lincoln Heights | Heat Zone 4 15 - 30 days > 86°F |
| Lincoln Village | Heat Zone 2 1 - 7 days > 86°F |
| Lindsey | Heat Zone 1 < 1 days > 86°F |
| Linndale | Heat Zone 1 < 1 days > 86°F |
| Lisbon | Heat Zone 1 < 1 days > 86°F |
| Litchfield | Heat Zone 1 < 1 days > 86°F |
| Lithopolis | Heat Zone 1 < 1 days > 86°F |
| Little Hocking | Heat Zone 3 8 - 14 days > 86°F |
| Lockbourne | Heat Zone 2 1 - 7 days > 86°F |
| Lockington | Heat Zone 1 < 1 days > 86°F |
| Lockland | Heat Zone 4 15 - 30 days > 86°F |
| Lodi | Heat Zone 1 < 1 days > 86°F |
| Logan | Heat Zone 2 1 - 7 days > 86°F |
| Logan Elm Village | Heat Zone 4 15 - 30 days > 86°F |
| London | Heat Zone 1 < 1 days > 86°F |
| Londonderry | Heat Zone 4 15 - 30 days > 86°F |
| Long Bottom | Heat Zone 4 15 - 30 days > 86°F |
| Lorain | Heat Zone 1 < 1 days > 86°F |
| Lordstown | Heat Zone 1 < 1 days > 86°F |
| Lore City | Heat Zone 2 1 - 7 days > 86°F |
| Loudonville | Heat Zone 1 < 1 days > 86°F |
| Louisville | Heat Zone 1 < 1 days > 86°F |
| Loveland | Heat Zone 4 15 - 30 days > 86°F |
| Loveland Park | Heat Zone 4 15 - 30 days > 86°F |
| Lowell | Heat Zone 2 1 - 7 days > 86°F |
| Lowellville | Heat Zone 1 < 1 days > 86°F |
| Lower Salem | Heat Zone 2 1 - 7 days > 86°F |
| Lucas | Heat Zone 1 < 1 days > 86°F |
| Lucasville | Heat Zone 5 31 - 45 days > 86°F |
| Luckey | Heat Zone 2 1 - 7 days > 86°F |
| Ludlow | Heat Zone 2 1 - 7 days > 86°F |
| Ludlow Falls | Heat Zone 3 8 - 14 days > 86°F |
| Lynchburg | Heat Zone 2 1 - 7 days > 86°F |
| Lyndhurst | Heat Zone 1 < 1 days > 86°F |
| Lynx | Heat Zone 3 8 - 14 days > 86°F |
| Lyons | Heat Zone 1 < 1 days > 86°F |
| Macedonia | Heat Zone 1 < 1 days > 86°F |
| Mack | Heat Zone 4 15 - 30 days > 86°F |
| Mack North | Heat Zone 4 15 - 30 days > 86°F |
| Mack South | Heat Zone 4 15 - 30 days > 86°F |
| Macksburg | Heat Zone 2 1 - 7 days > 86°F |
| Madeira | Heat Zone 4 15 - 30 days > 86°F |
| Madison | Heat Zone 1 < 1 days > 86°F |
| Magnetic Springs | Heat Zone 2 1 - 7 days > 86°F |
| Magnolia | Heat Zone 2 1 - 7 days > 86°F |
| Maineville | Heat Zone 4 15 - 30 days > 86°F |
| Malaga | Heat Zone 2 1 - 7 days > 86°F |
| Malinta | Heat Zone 1 < 1 days > 86°F |
| Malta | Heat Zone 1 < 1 days > 86°F |
| Malvern | Heat Zone 1 < 1 days > 86°F |
| Manchester | Heat Zone 4 15 - 30 days > 86°F |
| Mansfield | Heat Zone 1 < 1 days > 86°F |
| Mantua | Heat Zone 1 < 1 days > 86°F |
| Maple Heights | Heat Zone 1 < 1 days > 86°F |
| Maple Ridge | Heat Zone 1 < 1 days > 86°F |
| Maplewood | Heat Zone 1 < 1 days > 86°F |
| Maplewood Park | Heat Zone 1 < 1 days > 86°F |
| Marathon | Heat Zone 4 15 - 30 days > 86°F |
| Marble Cliff | Heat Zone 2 1 - 7 days > 86°F |
| Marblehead | Heat Zone 1 < 1 days > 86°F |
| Marengo | Heat Zone 1 < 1 days > 86°F |
| Maria Stein | Heat Zone 1 < 1 days > 86°F |
| Mariemont | Heat Zone 4 15 - 30 days > 86°F |
| Marietta | Heat Zone 3 8 - 14 days > 86°F |
| Marion | Heat Zone 1 < 1 days > 86°F |
| Mark Center | Heat Zone 2 1 - 7 days > 86°F |
| Marlboro | Heat Zone 1 < 1 days > 86°F |
| Marne | Heat Zone 2 1 - 7 days > 86°F |
| Marseilles | Heat Zone 1 < 1 days > 86°F |
| Marshallville | Heat Zone 1 < 1 days > 86°F |
| Martel | Heat Zone 1 < 1 days > 86°F |
| Martin | Heat Zone 2 1 - 7 days > 86°F |
| Martins Ferry | Heat Zone 1 < 1 days > 86°F |
| Martinsburg | Heat Zone 1 < 1 days > 86°F |
| Martinsville | Heat Zone 2 1 - 7 days > 86°F |
| Marysville | Heat Zone 1 < 1 days > 86°F |
| Mason | Heat Zone 4 15 - 30 days > 86°F |
| Massillon | Heat Zone 1 < 1 days > 86°F |
| Masury | Heat Zone 1 < 1 days > 86°F |
| Maumee | Heat Zone 2 1 - 7 days > 86°F |
| Maximo | Heat Zone 1 < 1 days > 86°F |
| Mayfield | Heat Zone 1 < 1 days > 86°F |
| Mayfield Heights | Heat Zone 1 < 1 days > 86°F |
| Maynard | Heat Zone 1 < 1 days > 86°F |
| McArthur | Heat Zone 2 1 - 7 days > 86°F |
| McClure | Heat Zone 1 < 1 days > 86°F |
| McComb | Heat Zone 1 < 1 days > 86°F |
| McConnelsville | Heat Zone 1 < 1 days > 86°F |
| McCutchenville | Heat Zone 1 < 1 days > 86°F |
| McDermott | Heat Zone 5 31 - 45 days > 86°F |
| McDonald | Heat Zone 2 1 - 7 days > 86°F |
| McGuffey | Heat Zone 1 < 1 days > 86°F |
| McKinley Heights | Heat Zone 1 < 1 days > 86°F |
| Mecca | Heat Zone 1 < 1 days > 86°F |
| Mechanicsburg | Heat Zone 2 1 - 7 days > 86°F |
| Mechanicstown | Heat Zone 1 < 1 days > 86°F |
| Medina | Heat Zone 1 < 1 days > 86°F |
| Medway | Heat Zone 3 8 - 14 days > 86°F |
| Melmore | Heat Zone 1 < 1 days > 86°F |
| Melrose | Heat Zone 2 1 - 7 days > 86°F |
| Mendon | Heat Zone 2 1 - 7 days > 86°F |
| Mentor | Heat Zone 1 < 1 days > 86°F |
| Mentor-on-the-Lake | Heat Zone 1 < 1 days > 86°F |
| Mesopotamia | Heat Zone 1 < 1 days > 86°F |
| Metamora | Heat Zone 1 < 1 days > 86°F |
| Meyers Lake | Heat Zone 1 < 1 days > 86°F |
| Miami Heights | Heat Zone 4 15 - 30 days > 86°F |
| Miamisburg | Heat Zone 3 8 - 14 days > 86°F |
| Miamitown | Heat Zone 4 15 - 30 days > 86°F |
| Miamiville | Heat Zone 4 15 - 30 days > 86°F |
| Middle Bass | Heat Zone 1 < 1 days > 86°F |
| Middle Point | Heat Zone 2 1 - 7 days > 86°F |
| Middlebranch | Heat Zone 1 < 1 days > 86°F |
| Middleburg | Heat Zone 2 1 - 7 days > 86°F |
| Middleburg Heights | Heat Zone 1 < 1 days > 86°F |
| Middlefield | Heat Zone 1 < 1 days > 86°F |
| Middleport | Heat Zone 5 31 - 45 days > 86°F |
| Middletown | Heat Zone 3 8 - 14 days > 86°F |
| Midland | Heat Zone 2 1 - 7 days > 86°F |
| Midvale | Heat Zone 2 1 - 7 days > 86°F |
| Midway | Heat Zone 1 < 1 days > 86°F |
| Mifflin | Heat Zone 1 < 1 days > 86°F |
| Milan | Heat Zone 1 < 1 days > 86°F |
| Milford | Heat Zone 4 15 - 30 days > 86°F |
| Milford Center | Heat Zone 2 1 - 7 days > 86°F |
| Millbury | Heat Zone 3 8 - 14 days > 86°F |
| Milledgeville | Heat Zone 2 1 - 7 days > 86°F |
| Miller City | Heat Zone 1 < 1 days > 86°F |
| Millersburg | Heat Zone 1 < 1 days > 86°F |
| Millersport | Heat Zone 2 1 - 7 days > 86°F |
| Millfield | Heat Zone 1 < 1 days > 86°F |
| Millville | Heat Zone 6 46 - 60 days > 86°F |
| Milton Center | Heat Zone 1 < 1 days > 86°F |
| Miltonsburg | Heat Zone 2 1 - 7 days > 86°F |
| Mineral City | Heat Zone 2 1 - 7 days > 86°F |
| Mineral Ridge | Heat Zone 2 1 - 7 days > 86°F |
| Minerva | Heat Zone 1 < 1 days > 86°F |
| Minerva Park | Heat Zone 2 1 - 7 days > 86°F |
| Minford | Heat Zone 5 31 - 45 days > 86°F |
| Mingo | Heat Zone 2 1 - 7 days > 86°F |
| Mingo Junction | Heat Zone 1 < 1 days > 86°F |
| Minster | Heat Zone 1 < 1 days > 86°F |
| Mogadore | Heat Zone 1 < 1 days > 86°F |
| Monclova | Heat Zone 2 1 - 7 days > 86°F |
| Monfort Heights | Heat Zone 5 31 - 45 days > 86°F |
| Monfort Heights East | Heat Zone 5 31 - 45 days > 86°F |
| Monfort Heights South | Heat Zone 5 31 - 45 days > 86°F |
| Monroe | Heat Zone 3 8 - 14 days > 86°F |
| Monroeville | Heat Zone 1 < 1 days > 86°F |
| Montezuma | Heat Zone 1 < 1 days > 86°F |
| Montgomery | Heat Zone 4 15 - 30 days > 86°F |
| Montpelier | Heat Zone 1 < 1 days > 86°F |
| Montrose-Ghent | Heat Zone 1 < 1 days > 86°F |
| Montville | Heat Zone 1 < 1 days > 86°F |
| Moraine | Heat Zone 4 15 - 30 days > 86°F |
| Moreland Hills | Heat Zone 1 < 1 days > 86°F |
| Morgandale | Heat Zone 1 < 1 days > 86°F |
| Morral | Heat Zone 1 < 1 days > 86°F |
| Morristown | Heat Zone 1 < 1 days > 86°F |
| Morrow | Heat Zone 3 8 - 14 days > 86°F |
| Moscow | Heat Zone 4 15 - 30 days > 86°F |
| Mount Blanchard | Heat Zone 1 < 1 days > 86°F |
| Mount Carmel | Heat Zone 4 15 - 30 days > 86°F |
| Mount Cory | Heat Zone 1 < 1 days > 86°F |
| Mount Eaton | Heat Zone 1 < 1 days > 86°F |
| Mount Gilead | Heat Zone 1 < 1 days > 86°F |
| Mount Healthy | Heat Zone 5 31 - 45 days > 86°F |
| Mount Healthy Heights | Heat Zone 5 31 - 45 days > 86°F |
| Mount Hope | Heat Zone 1 < 1 days > 86°F |
| Mount Liberty | Heat Zone 1 < 1 days > 86°F |
| Mount Orab | Heat Zone 3 8 - 14 days > 86°F |
| Mount Perry | Heat Zone 2 1 - 7 days > 86°F |
| Mount Pleasant | Heat Zone 1 < 1 days > 86°F |
| Mount Repose | Heat Zone 4 15 - 30 days > 86°F |
| Mount Saint Joseph | Heat Zone 3 8 - 14 days > 86°F |
| Mount Sterling | Heat Zone 2 1 - 7 days > 86°F |
| Mount Vernon | Heat Zone 1 < 1 days > 86°F |
| Mount Victory | Heat Zone 1 < 1 days > 86°F |
| Mowrystown | Heat Zone 2 1 - 7 days > 86°F |
| Moxahala | Heat Zone 2 1 - 7 days > 86°F |
| Mulberry | Heat Zone 4 15 - 30 days > 86°F |
| Munroe Falls | Heat Zone 1 < 1 days > 86°F |
| Murray City | Heat Zone 1 < 1 days > 86°F |
| Mutual | Heat Zone 2 1 - 7 days > 86°F |
| Nankin | Heat Zone 1 < 1 days > 86°F |
| Napoleon | Heat Zone 1 < 1 days > 86°F |
| Nashport | Heat Zone 1 < 1 days > 86°F |
| Nashville | Heat Zone 1 < 1 days > 86°F |
| Navarre | Heat Zone 1 < 1 days > 86°F |
| Neapolis | Heat Zone 1 < 1 days > 86°F |
| Neffs | Heat Zone 2 1 - 7 days > 86°F |
| Negley | Heat Zone 1 < 1 days > 86°F |
| Nellie | Heat Zone 1 < 1 days > 86°F |
| Nelson | Heat Zone 1 < 1 days > 86°F |
| Nelsonville | Heat Zone 1 < 1 days > 86°F |
| Nevada | Heat Zone 1 < 1 days > 86°F |
| Neville | Heat Zone 4 15 - 30 days > 86°F |
| New Albany | Heat Zone 2 1 - 7 days > 86°F |
| New Alexandria | Heat Zone 1 < 1 days > 86°F |
| New Athens | Heat Zone 1 < 1 days > 86°F |
| New Baltimore | Heat Zone 5 31 - 45 days > 86°F |
| New Bavaria | Heat Zone 1 < 1 days > 86°F |
| New Bloomington | Heat Zone 1 < 1 days > 86°F |
| New Boston | Heat Zone 6 46 - 60 days > 86°F |
| New Bremen | Heat Zone 1 < 1 days > 86°F |
| New Burlington | Heat Zone 5 31 - 45 days > 86°F |
| New California | Heat Zone 2 1 - 7 days > 86°F |
| New Carlisle | Heat Zone 3 8 - 14 days > 86°F |
| New Concord | Heat Zone 2 1 - 7 days > 86°F |
| New Franklin | Heat Zone 1 < 1 days > 86°F |
| New Hampshire | Heat Zone 1 < 1 days > 86°F |
| New Haven | Heat Zone 1 < 1 days > 86°F |
| New Holland | Heat Zone 2 1 - 7 days > 86°F |
| New Knoxville | Heat Zone 1 < 1 days > 86°F |
| New Lebanon | Heat Zone 4 15 - 30 days > 86°F |
| New Lexington | Heat Zone 2 1 - 7 days > 86°F |
| New London | Heat Zone 1 < 1 days > 86°F |
| New Madison | Heat Zone 1 < 1 days > 86°F |
| New Marshfield | Heat Zone 2 1 - 7 days > 86°F |
| New Matamoras | Heat Zone 4 15 - 30 days > 86°F |
| New Miami | Heat Zone 5 31 - 45 days > 86°F |
| New Middletown | Heat Zone 1 < 1 days > 86°F |
| New Paris | Heat Zone 1 < 1 days > 86°F |
| New Philadelphia | Heat Zone 2 1 - 7 days > 86°F |
| New Pittsburg | Heat Zone 1 < 1 days > 86°F |
| New Plymouth | Heat Zone 2 1 - 7 days > 86°F |
| New Richmond | Heat Zone 4 15 - 30 days > 86°F |
| New Riegel | Heat Zone 1 < 1 days > 86°F |
| New Rome | Heat Zone 2 1 - 7 days > 86°F |
| New Rumley | Heat Zone 1 < 1 days > 86°F |
| New Springfield | Heat Zone 1 < 1 days > 86°F |
| New Straitsville | Heat Zone 2 1 - 7 days > 86°F |
| New Vienna | Heat Zone 2 1 - 7 days > 86°F |
| New Washington | Heat Zone 1 < 1 days > 86°F |
| New Waterford | Heat Zone 1 < 1 days > 86°F |
| New Weston | Heat Zone 1 < 1 days > 86°F |
| Newark | Heat Zone 1 < 1 days > 86°F |
| Newburgh Heights | Heat Zone 1 < 1 days > 86°F |
| Newbury | Heat Zone 1 < 1 days > 86°F |
| Newcomerstown | Heat Zone 1 < 1 days > 86°F |
| Newport | Heat Zone 1 < 1 days > 86°F |
| Newton Falls | Heat Zone 1 < 1 days > 86°F |
| Newtonsville | Heat Zone 4 15 - 30 days > 86°F |
| Newtown | Heat Zone 4 15 - 30 days > 86°F |
| Ney | Heat Zone 1 < 1 days > 86°F |
| Niles | Heat Zone 2 1 - 7 days > 86°F |
| North Baltimore | Heat Zone 1 < 1 days > 86°F |
| North Bend | Heat Zone 4 15 - 30 days > 86°F |
| North Benton | Heat Zone 1 < 1 days > 86°F |
| North Bloomfield | Heat Zone 1 < 1 days > 86°F |
| North Canton | Heat Zone 1 < 1 days > 86°F |
| North College Hill | Heat Zone 5 31 - 45 days > 86°F |
| North Fairfield | Heat Zone 1 < 1 days > 86°F |
| North Folk Village | Heat Zone 3 8 - 14 days > 86°F |
| North Fork Village | Heat Zone 3 8 - 14 days > 86°F |
| North Georgetown | Heat Zone 1 < 1 days > 86°F |
| North Hampton | Heat Zone 1 < 1 days > 86°F |
| North Jackson | Heat Zone 1 < 1 days > 86°F |
| North Kingsville | Heat Zone 1 < 1 days > 86°F |
| North Lawrence | Heat Zone 1 < 1 days > 86°F |
| North Lewisburg | Heat Zone 2 1 - 7 days > 86°F |
| North Lima | Heat Zone 1 < 1 days > 86°F |
| North Madison | Heat Zone 1 < 1 days > 86°F |
| North Olmsted | Heat Zone 1 < 1 days > 86°F |
| North Perry | Heat Zone 1 < 1 days > 86°F |
| North Randall | Heat Zone 1 < 1 days > 86°F |
| North Ridgeville | Heat Zone 1 < 1 days > 86°F |
| North Robinson | Heat Zone 1 < 1 days > 86°F |
| North Royalton | Heat Zone 1 < 1 days > 86°F |
| North Star | Heat Zone 1 < 1 days > 86°F |
| North Zanesville | Heat Zone 1 < 1 days > 86°F |
| Northbrook | Heat Zone 5 31 - 45 days > 86°F |
| Northfield | Heat Zone 1 < 1 days > 86°F |
| Northfield Center | Heat Zone 1 < 1 days > 86°F |
| Northgate | Heat Zone 5 31 - 45 days > 86°F |
| Northridge | Heat Zone 5 31 - 45 days > 86°F |
| Northview | Heat Zone 4 15 - 30 days > 86°F |
| Northwest | Heat Zone 1 < 1 days > 86°F |
| Northwood | Heat Zone 3 8 - 14 days > 86°F |
| Norton | Heat Zone 1 < 1 days > 86°F |
| Norwalk | Heat Zone 1 < 1 days > 86°F |
| Norwich | Heat Zone 1 < 1 days > 86°F |
| Norwood | Heat Zone 4 15 - 30 days > 86°F |
| Nova | Heat Zone 1 < 1 days > 86°F |
| Novelty | Heat Zone 1 < 1 days > 86°F |
| Oak Harbor | Heat Zone 1 < 1 days > 86°F |
| Oak Hill | Heat Zone 4 15 - 30 days > 86°F |
| Oakwood | Heat Zone 2 1 - 7 days > 86°F |
| Oberlin | Heat Zone 1 < 1 days > 86°F |
| Obetz | Heat Zone 1 < 1 days > 86°F |
| Oceola | Heat Zone 1 < 1 days > 86°F |
| Octa | Heat Zone 2 1 - 7 days > 86°F |
| Ohio City | Heat Zone 2 1 - 7 days > 86°F |
| Okeana | Heat Zone 5 31 - 45 days > 86°F |
| Okolona | Heat Zone 1 < 1 days > 86°F |
| Old Fort | Heat Zone 1 < 1 days > 86°F |
| Old Washington | Heat Zone 2 1 - 7 days > 86°F |
| Olde West Chester | Heat Zone 5 31 - 45 days > 86°F |
| Olmsted Falls | Heat Zone 1 < 1 days > 86°F |
| Ontario | Heat Zone 1 < 1 days > 86°F |
| Orange | Heat Zone 1 < 1 days > 86°F |
| Orangeville | Heat Zone 1 < 1 days > 86°F |
| Oregon | Heat Zone 3 8 - 14 days > 86°F |
| Oregonia | Heat Zone 2 1 - 7 days > 86°F |
| Orient | Heat Zone 3 8 - 14 days > 86°F |
| Orrville | Heat Zone 1 < 1 days > 86°F |
| Orwell | Heat Zone 1 < 1 days > 86°F |
| Osgood | Heat Zone 1 < 1 days > 86°F |
| Ostrander | Heat Zone 2 1 - 7 days > 86°F |
| Ottawa | Heat Zone 1 < 1 days > 86°F |
| Ottawa Hills | Heat Zone 3 8 - 14 days > 86°F |
| Ottoville | Heat Zone 2 1 - 7 days > 86°F |
| Otway | Heat Zone 4 15 - 30 days > 86°F |
| Overpeck | Heat Zone 5 31 - 45 days > 86°F |
| Owensville | Heat Zone 4 15 - 30 days > 86°F |
| Oxford | Heat Zone 4 15 - 30 days > 86°F |
| Painesville | Heat Zone 1 < 1 days > 86°F |
| Palestine | Heat Zone 1 < 1 days > 86°F |
| Palmyra | Heat Zone 1 < 1 days > 86°F |
| Pancoastburg | Heat Zone 2 1 - 7 days > 86°F |
| Pandora | Heat Zone 1 < 1 days > 86°F |
| Paris | Heat Zone 1 < 1 days > 86°F |
| Park Layne | Heat Zone 3 8 - 14 days > 86°F |
| Parkman | Heat Zone 1 < 1 days > 86°F |
| Parma | Heat Zone 1 < 1 days > 86°F |
| Parma Heights | Heat Zone 1 < 1 days > 86°F |
| Parral | Heat Zone 2 1 - 7 days > 86°F |
| Pataskala | Heat Zone 1 < 1 days > 86°F |
| Patriot | Heat Zone 5 31 - 45 days > 86°F |
| Patterson | Heat Zone 1 < 1 days > 86°F |
| Paulding | Heat Zone 2 1 - 7 days > 86°F |
| Payne | Heat Zone 2 1 - 7 days > 86°F |
| Pedro | Heat Zone 6 46 - 60 days > 86°F |
| Peebles | Heat Zone 3 8 - 14 days > 86°F |
| Pemberton | Heat Zone 1 < 1 days > 86°F |
| Pemberville | Heat Zone 2 1 - 7 days > 86°F |
| Peninsula | Heat Zone 1 < 1 days > 86°F |
| Pepper Pike | Heat Zone 1 < 1 days > 86°F |
| Perry | Heat Zone 1 < 1 days > 86°F |
| Perry Heights | Heat Zone 1 < 1 days > 86°F |
| Perrysburg | Heat Zone 2 1 - 7 days > 86°F |
| Perrysville | Heat Zone 1 < 1 days > 86°F |
| Petersburg | Heat Zone 1 < 1 days > 86°F |
| Pettisville | Heat Zone 1 < 1 days > 86°F |
| Phillipsburg | Heat Zone 3 8 - 14 days > 86°F |
| Philo | Heat Zone 1 < 1 days > 86°F |
| Pickerington | Heat Zone 1 < 1 days > 86°F |
| Piedmont | Heat Zone 2 1 - 7 days > 86°F |
| Pierpont | Heat Zone 1 < 1 days > 86°F |
| Pigeon Creek | Heat Zone 1 < 1 days > 86°F |
| Piketon | Heat Zone 5 31 - 45 days > 86°F |
| Piney Fork | Heat Zone 1 < 1 days > 86°F |
| Pioneer | Heat Zone 1 < 1 days > 86°F |
| Piqua | Heat Zone 2 1 - 7 days > 86°F |
| Pitsburg | Heat Zone 1 < 1 days > 86°F |
| Plain | Heat Zone 1 < 1 days > 86°F |
| Plain City | Heat Zone 2 1 - 7 days > 86°F |
| Plainfield | Heat Zone 1 < 1 days > 86°F |
| Plainville | Heat Zone 4 15 - 30 days > 86°F |
| Pleasant City | Heat Zone 2 1 - 7 days > 86°F |
| Pleasant Grove | Heat Zone 1 < 1 days > 86°F |
| Pleasant Hill | Heat Zone 1 < 1 days > 86°F |
| Pleasant Hills | Heat Zone 5 31 - 45 days > 86°F |
| Pleasant Plain | Heat Zone 4 15 - 30 days > 86°F |
| Pleasant Run | Heat Zone 6 46 - 60 days > 86°F |
| Pleasant Run Farm | Heat Zone 6 46 - 60 days > 86°F |
| Pleasantville | Heat Zone 2 1 - 7 days > 86°F |
| Plumwood | Heat Zone 2 1 - 7 days > 86°F |
| Plymouth | Heat Zone 1 < 1 days > 86°F |
| Poland | Heat Zone 1 < 1 days > 86°F |
| Polk | Heat Zone 1 < 1 days > 86°F |
| Pomeroy | Heat Zone 4 15 - 30 days > 86°F |
| Port Clinton | Heat Zone 1 < 1 days > 86°F |
| Port Jefferson | Heat Zone 1 < 1 days > 86°F |
| Port Washington | Heat Zone 2 1 - 7 days > 86°F |
| Port William | Heat Zone 2 1 - 7 days > 86°F |
| Portage | Heat Zone 1 < 1 days > 86°F |
| Portage Lakes | Heat Zone 1 < 1 days > 86°F |
| Portland | Heat Zone 5 31 - 45 days > 86°F |
| Portsmouth | Heat Zone 6 46 - 60 days > 86°F |
| Potsdam | Heat Zone 3 8 - 14 days > 86°F |
| Pottery Addition | Heat Zone 1 < 1 days > 86°F |
| Powell | Heat Zone 2 1 - 7 days > 86°F |
| Powhatan Point | Heat Zone 3 8 - 14 days > 86°F |
| Proctorville | Heat Zone 4 15 - 30 days > 86°F |
| Prospect | Heat Zone 2 1 - 7 days > 86°F |
| Pulaski | Heat Zone 1 < 1 days > 86°F |
| Put-in-Bay | Heat Zone 1 < 1 days > 86°F |
| Quaker City | Heat Zone 1 < 1 days > 86°F |
| Quincy | Heat Zone 1 < 1 days > 86°F |
| Racine | Heat Zone 5 31 - 45 days > 86°F |
| Radnor | Heat Zone 2 1 - 7 days > 86°F |
| Randolph | Heat Zone 1 < 1 days > 86°F |
| Rarden | Heat Zone 4 15 - 30 days > 86°F |
| Ravenna | Heat Zone 1 < 1 days > 86°F |
| Rawson | Heat Zone 1 < 1 days > 86°F |
| Ray | Heat Zone 3 8 - 14 days > 86°F |
| Rayland | Heat Zone 1 < 1 days > 86°F |
| Raymond | Heat Zone 2 1 - 7 days > 86°F |
| Reading | Heat Zone 4 15 - 30 days > 86°F |
| Reedsville | Heat Zone 4 15 - 30 days > 86°F |
| Reesville | Heat Zone 2 1 - 7 days > 86°F |
| Reminderville | Heat Zone 1 < 1 days > 86°F |
| Remington | Heat Zone 4 15 - 30 days > 86°F |
| Rendville | Heat Zone 2 1 - 7 days > 86°F |
| Reno | Heat Zone 2 1 - 7 days > 86°F |
| Republic | Heat Zone 1 < 1 days > 86°F |
| Reynoldsburg | Heat Zone 1 < 1 days > 86°F |
| Richfield | Heat Zone 1 < 1 days > 86°F |
| Richland | Heat Zone 3 8 - 14 days > 86°F |
| Richmond | Heat Zone 1 < 1 days > 86°F |
| Richmond Dale | Heat Zone 4 15 - 30 days > 86°F |
| Richmond Heights | Heat Zone 1 < 1 days > 86°F |
| Richville | Heat Zone 1 < 1 days > 86°F |
| Richwood | Heat Zone 2 1 - 7 days > 86°F |
| Ridgeville Corners | Heat Zone 1 < 1 days > 86°F |
| Ridgeway | Heat Zone 1 < 1 days > 86°F |
| Rio Grande | Heat Zone 5 31 - 45 days > 86°F |
| Ripley | Heat Zone 4 15 - 30 days > 86°F |
| Risingsun | Heat Zone 1 < 1 days > 86°F |
| Rittman | Heat Zone 1 < 1 days > 86°F |
| Riverlea | Heat Zone 2 1 - 7 days > 86°F |
| Riverside | Heat Zone 5 31 - 45 days > 86°F |
| Roaming Shores | Heat Zone 1 < 1 days > 86°F |
| Robertsville | Heat Zone 1 < 1 days > 86°F |
| Rochester | Heat Zone 1 < 1 days > 86°F |
| Rock Camp | Heat Zone 5 31 - 45 days > 86°F |
| Rock Creek | Heat Zone 1 < 1 days > 86°F |
| Rockbridge | Heat Zone 2 1 - 7 days > 86°F |
| Rockford | Heat Zone 2 1 - 7 days > 86°F |
| Rocky Ridge | Heat Zone 1 < 1 days > 86°F |
| Rocky River | Heat Zone 1 < 1 days > 86°F |
| Rogers | Heat Zone 1 < 1 days > 86°F |
| Rome | Heat Zone 1 < 1 days > 86°F |
| Rootstown | Heat Zone 1 < 1 days > 86°F |
| Rosemount | Heat Zone 6 46 - 60 days > 86°F |
| Roseville | Heat Zone 1 < 1 days > 86°F |
| Rosewood | Heat Zone 1 < 1 days > 86°F |
| Ross | Heat Zone 5 31 - 45 days > 86°F |
| Rossburg | Heat Zone 1 < 1 days > 86°F |
| Rossford | Heat Zone 3 8 - 14 days > 86°F |
| Rossmoyne | Heat Zone 4 15 - 30 days > 86°F |
| Roswell | Heat Zone 2 1 - 7 days > 86°F |
| Roundhead | Heat Zone 1 < 1 days > 86°F |
| Rudolph | Heat Zone 1 < 1 days > 86°F |
| Rush | Heat Zone 2 1 - 7 days > 86°F |
| Rushsylvania | Heat Zone 1 < 1 days > 86°F |
| Rushville | Heat Zone 2 1 - 7 days > 86°F |
| Russells Point | Heat Zone 1 < 1 days > 86°F |
| Russellville | Heat Zone 3 8 - 14 days > 86°F |
| Russia | Heat Zone 1 < 1 days > 86°F |
| Rutland | Heat Zone 4 15 - 30 days > 86°F |
| Sabina | Heat Zone 2 1 - 7 days > 86°F |
| Sagamore Hills | Heat Zone 1 < 1 days > 86°F |
| Saint Bernard | Heat Zone 4 15 - 30 days > 86°F |
| Saint Clairsville | Heat Zone 1 < 1 days > 86°F |
| Saint Henry | Heat Zone 1 < 1 days > 86°F |
| Saint Johns | Heat Zone 1 < 1 days > 86°F |
| Saint Louisville | Heat Zone 1 < 1 days > 86°F |
| Saint Martin | Heat Zone 2 1 - 7 days > 86°F |
| Saint Marys | Heat Zone 1 < 1 days > 86°F |
| Saint Paris | Heat Zone 1 < 1 days > 86°F |
| Salem | Heat Zone 1 < 1 days > 86°F |
| Salem Heights | Heat Zone 4 15 - 30 days > 86°F |
| Salesville | Heat Zone 1 < 1 days > 86°F |
| Salineville | Heat Zone 1 < 1 days > 86°F |
| Sandusky | Heat Zone 1 < 1 days > 86°F |
| Sandusky South | Heat Zone 1 < 1 days > 86°F |
| Sandyville | Heat Zone 2 1 - 7 days > 86°F |
| Sarahsville | Heat Zone 1 < 1 days > 86°F |
| Sardinia | Heat Zone 3 8 - 14 days > 86°F |
| Sardis | Heat Zone 2 1 - 7 days > 86°F |
| Savannah | Heat Zone 1 < 1 days > 86°F |
| Sawyerwood | Heat Zone 1 < 1 days > 86°F |
| Scio | Heat Zone 2 1 - 7 days > 86°F |
| Scioto Furnace | Heat Zone 6 46 - 60 days > 86°F |
| Sciotodale | Heat Zone 6 46 - 60 days > 86°F |
| Scipio | Heat Zone 1 < 1 days > 86°F |
| Scott | Heat Zone 2 1 - 7 days > 86°F |
| Scottown | Heat Zone 5 31 - 45 days > 86°F |
| Seaman | Heat Zone 2 1 - 7 days > 86°F |
| Sebring | Heat Zone 1 < 1 days > 86°F |
| Sedalia | Heat Zone 1 < 1 days > 86°F |
| Senecaville | Heat Zone 2 1 - 7 days > 86°F |
| Seven Hills | Heat Zone 1 < 1 days > 86°F |
| Seven Mile | Heat Zone 5 31 - 45 days > 86°F |
| Seville | Heat Zone 1 < 1 days > 86°F |
| Shade | Heat Zone 2 1 - 7 days > 86°F |
| Shadyside | Heat Zone 2 1 - 7 days > 86°F |
| Shaker Heights | Heat Zone 1 < 1 days > 86°F |
| Shalersville | Heat Zone 1 < 1 days > 86°F |
| Shandon | Heat Zone 5 31 - 45 days > 86°F |
| Sharon Center | Heat Zone 1 < 1 days > 86°F |
| Sharonville | Heat Zone 4 15 - 30 days > 86°F |
| Sharpsburg | Heat Zone 2 1 - 7 days > 86°F |
| Shauck | Heat Zone 1 < 1 days > 86°F |
| Shawnee | Heat Zone 2 1 - 7 days > 86°F |
| Shawnee Hills | Heat Zone 2 1 - 7 days > 86°F |
| Sheffield | Heat Zone 1 < 1 days > 86°F |
| Sheffield Lake | Heat Zone 1 < 1 days > 86°F |
| Shelby | Heat Zone 1 < 1 days > 86°F |
| Sherrodsville | Heat Zone 2 1 - 7 days > 86°F |
| Sherwood | Heat Zone 2 1 - 7 days > 86°F |
| Shiloh | Heat Zone 1 < 1 days > 86°F |
| Short Creek | Heat Zone 1 < 1 days > 86°F |
| Shreve | Heat Zone 1 < 1 days > 86°F |
| Sidney | Heat Zone 1 < 1 days > 86°F |
| Silver Lake | Heat Zone 1 < 1 days > 86°F |
| Silverton | Heat Zone 4 15 - 30 days > 86°F |
| Sinking Spring | Heat Zone 3 8 - 14 days > 86°F |
| Sixteen Mile Stand | Heat Zone 4 15 - 30 days > 86°F |
| Skyline Acres | Heat Zone 5 31 - 45 days > 86°F |
| Smithfield | Heat Zone 1 < 1 days > 86°F |
| Smithville | Heat Zone 1 < 1 days > 86°F |
| Snow Trails Ski Resort | Heat Zone 1 < 1 days > 86°F |
| Solon | Heat Zone 1 < 1 days > 86°F |
| Somerdale | Heat Zone 2 1 - 7 days > 86°F |
| Somerset | Heat Zone 2 1 - 7 days > 86°F |
| Somerville | Heat Zone 4 15 - 30 days > 86°F |
| South Amherst | Heat Zone 1 < 1 days > 86°F |
| South Bloomfield | Heat Zone 4 15 - 30 days > 86°F |
| South Bloomingville | Heat Zone 2 1 - 7 days > 86°F |
| South Canal | Heat Zone 1 < 1 days > 86°F |
| South Charleston | Heat Zone 1 < 1 days > 86°F |
| South Euclid | Heat Zone 1 < 1 days > 86°F |
| South Lebanon | Heat Zone 4 15 - 30 days > 86°F |
| South Middletown | Heat Zone 3 8 - 14 days > 86°F |
| South Point | Heat Zone 2 1 - 7 days > 86°F |
| South Russell | Heat Zone 1 < 1 days > 86°F |
| South Salem | Heat Zone 2 1 - 7 days > 86°F |
| South Solon | Heat Zone 1 < 1 days > 86°F |
| South Vienna | Heat Zone 2 1 - 7 days > 86°F |
| South Webster | Heat Zone 5 31 - 45 days > 86°F |
| South Zanesville | Heat Zone 1 < 1 days > 86°F |
| Southington | Heat Zone 1 < 1 days > 86°F |
| Sparta | Heat Zone 1 < 1 days > 86°F |
| Spencer | Heat Zone 1 < 1 days > 86°F |
| Spencerville | Heat Zone 2 1 - 7 days > 86°F |
| Spring Valley | Heat Zone 3 8 - 14 days > 86°F |
| Springboro | Heat Zone 2 1 - 7 days > 86°F |
| Springdale | Heat Zone 5 31 - 45 days > 86°F |
| Springfield | Heat Zone 1 < 1 days > 86°F |
| Stafford | Heat Zone 2 1 - 7 days > 86°F |
| Staunton | Heat Zone 2 1 - 7 days > 86°F |
| Sterling | Heat Zone 1 < 1 days > 86°F |
| Steubenville | Heat Zone 1 < 1 days > 86°F |
| Stewart | Heat Zone 2 1 - 7 days > 86°F |
| Stillwater | Heat Zone 2 1 - 7 days > 86°F |
| Stockdale | Heat Zone 5 31 - 45 days > 86°F |
| Stockport | Heat Zone 1 < 1 days > 86°F |
| Stone Creek | Heat Zone 2 1 - 7 days > 86°F |
| Stony Prairie | Heat Zone 1 < 1 days > 86°F |
| Stony Ridge | Heat Zone 3 8 - 14 days > 86°F |
| Stout | Heat Zone 4 15 - 30 days > 86°F |
| Stoutsville | Heat Zone 4 15 - 30 days > 86°F |
| Stow | Heat Zone 1 < 1 days > 86°F |
| Strasburg | Heat Zone 2 1 - 7 days > 86°F |
| Stratton | Heat Zone 1 < 1 days > 86°F |
| Streetsboro | Heat Zone 1 < 1 days > 86°F |
| Strongsville | Heat Zone 1 < 1 days > 86°F |
| Struthers | Heat Zone 1 < 1 days > 86°F |
| Stryker | Heat Zone 1 < 1 days > 86°F |
| Suffield | Heat Zone 1 < 1 days > 86°F |
| Sugar Bush Knolls | Heat Zone 1 < 1 days > 86°F |
| Sugar Grove | Heat Zone 2 1 - 7 days > 86°F |
| Sugarcreek | Heat Zone 1 < 1 days > 86°F |
| Sullivan | Heat Zone 1 < 1 days > 86°F |
| Sulphur Springs | Heat Zone 1 < 1 days > 86°F |
| Summerfield | Heat Zone 1 < 1 days > 86°F |
| Summerside | Heat Zone 4 15 - 30 days > 86°F |
| Summit Station | Heat Zone 1 < 1 days > 86°F |
| Summitville | Heat Zone 1 < 1 days > 86°F |
| Sunbury | Heat Zone 2 1 - 7 days > 86°F |
| Swanton | Heat Zone 1 < 1 days > 86°F |
| Sycamore | Heat Zone 1 < 1 days > 86°F |
| Sycamore Valley | Heat Zone 3 8 - 14 days > 86°F |
| Sylvania | Heat Zone 2 1 - 7 days > 86°F |
| Syracuse | Heat Zone 5 31 - 45 days > 86°F |
| Tallmadge | Heat Zone 1 < 1 days > 86°F |
| Tarlton | Heat Zone 4 15 - 30 days > 86°F |
| Tedrow | Heat Zone 1 < 1 days > 86°F |
| Terrace Park | Heat Zone 4 15 - 30 days > 86°F |
| The Plains | Heat Zone 1 < 1 days > 86°F |
| The Village of Indian Hi | Heat Zone 4 15 - 30 days > 86°F |
| The Village of Indian Hill | Heat Zone 4 15 - 30 days > 86°F |
| Thompson | Heat Zone 1 < 1 days > 86°F |
| Thornport | Heat Zone 2 1 - 7 days > 86°F |
| Thornville | Heat Zone 2 1 - 7 days > 86°F |
| Thurman | Heat Zone 4 15 - 30 days > 86°F |
| Thurston | Heat Zone 2 1 - 7 days > 86°F |
| Tiffin | Heat Zone 1 < 1 days > 86°F |
| Tiltonsville | Heat Zone 1 < 1 days > 86°F |
| Timberlake | Heat Zone 1 < 1 days > 86°F |
| Tipp City | Heat Zone 2 1 - 7 days > 86°F |
| Tippecanoe | Heat Zone 2 1 - 7 days > 86°F |
| Tiro | Heat Zone 1 < 1 days > 86°F |
| Toledo | Heat Zone 3 8 - 14 days > 86°F |
| Toledo/Metcalf Field | Heat Zone 3 8 - 14 days > 86°F |
| Tontogany | Heat Zone 1 < 1 days > 86°F |
| Torch | Heat Zone 3 8 - 14 days > 86°F |
| Toronto | Heat Zone 1 < 1 days > 86°F |
| Tremont City | Heat Zone 1 < 1 days > 86°F |
| Trenton | Heat Zone 4 15 - 30 days > 86°F |
| Trimble | Heat Zone 1 < 1 days > 86°F |
| Trinway | Heat Zone 1 < 1 days > 86°F |
| Trotwood | Heat Zone 4 15 - 30 days > 86°F |
| Troy | Heat Zone 2 1 - 7 days > 86°F |
| Tuppers Plains | Heat Zone 4 15 - 30 days > 86°F |
| Turpin Hills | Heat Zone 4 15 - 30 days > 86°F |
| Tuscarawas | Heat Zone 2 1 - 7 days > 86°F |
| Twinsburg | Heat Zone 1 < 1 days > 86°F |
| Tymochtee | Heat Zone 1 < 1 days > 86°F |
| Uhrichsville | Heat Zone 2 1 - 7 days > 86°F |
| Union | Heat Zone 3 8 - 14 days > 86°F |
| Union City | Heat Zone 1 < 1 days > 86°F |
| Union Furnace | Heat Zone 2 1 - 7 days > 86°F |
| Unionport | Heat Zone 1 < 1 days > 86°F |
| Uniontown | Heat Zone 1 < 1 days > 86°F |
| Unionville | Heat Zone 2 1 - 7 days > 86°F |
| Unionville Center | Heat Zone 2 1 - 7 days > 86°F |
| Uniopolis | Heat Zone 1 < 1 days > 86°F |
| University Heights | Heat Zone 1 < 1 days > 86°F |
| Upper Arlington | Heat Zone 2 1 - 7 days > 86°F |
| Upper Sandusky | Heat Zone 1 < 1 days > 86°F |
| Urbana | Heat Zone 1 < 1 days > 86°F |
| Urbancrest | Heat Zone 1 < 1 days > 86°F |
| Utica | Heat Zone 1 < 1 days > 86°F |
| Valley City | Heat Zone 1 < 1 days > 86°F |
| Valley Hi | Heat Zone 1 < 1 days > 86°F |
| Valley View | Heat Zone 1 < 1 days > 86°F |
| Valleyview | Heat Zone 2 1 - 7 days > 86°F |
| Van Buren | Heat Zone 1 < 1 days > 86°F |
| Van Wert | Heat Zone 2 1 - 7 days > 86°F |
| Vandalia | Heat Zone 1 < 1 days > 86°F |
| Vanlue | Heat Zone 1 < 1 days > 86°F |
| Vaughnsville | Heat Zone 1 < 1 days > 86°F |
| Venedocia | Heat Zone 2 1 - 7 days > 86°F |
| Vermilion | Heat Zone 1 < 1 days > 86°F |
| Vermilion-on-the-Lake | Heat Zone 1 < 1 days > 86°F |
| Vernon | Heat Zone 1 < 1 days > 86°F |
| Verona | Heat Zone 1 < 1 days > 86°F |
| Versailles | Heat Zone 1 < 1 days > 86°F |
| Vickery | Heat Zone 1 < 1 days > 86°F |
| Vienna | Heat Zone 1 < 1 days > 86°F |
| Vienna Center | Heat Zone 1 < 1 days > 86°F |
| Vincent | Heat Zone 3 8 - 14 days > 86°F |
| Vinton | Heat Zone 4 15 - 30 days > 86°F |
| Wadsworth | Heat Zone 1 < 1 days > 86°F |
| Waite Hill | Heat Zone 1 < 1 days > 86°F |
| Wakefield | Heat Zone 5 31 - 45 days > 86°F |
| Wakeman | Heat Zone 1 < 1 days > 86°F |
| Walbridge | Heat Zone 3 8 - 14 days > 86°F |
| Waldo | Heat Zone 2 1 - 7 days > 86°F |
| Walhonding | Heat Zone 1 < 1 days > 86°F |
| Walnut | Heat Zone 4 15 - 30 days > 86°F |
| Walnut Creek | Heat Zone 1 < 1 days > 86°F |
| Walton Hills | Heat Zone 1 < 1 days > 86°F |
| Wapakoneta | Heat Zone 1 < 1 days > 86°F |
| Warnock | Heat Zone 2 1 - 7 days > 86°F |
| Warren | Heat Zone 1 < 1 days > 86°F |
| Warrensville Heights | Heat Zone 1 < 1 days > 86°F |
| Warsaw | Heat Zone 1 < 1 days > 86°F |
| Washington Court House | Heat Zone 1 < 1 days > 86°F |
| Washingtonville | Heat Zone 1 < 1 days > 86°F |
| Waterford | Heat Zone 2 1 - 7 days > 86°F |
| Waterloo | Heat Zone 6 46 - 60 days > 86°F |
| Watertown | Heat Zone 2 1 - 7 days > 86°F |
| Waterville | Heat Zone 2 1 - 7 days > 86°F |
| Wauseon | Heat Zone 1 < 1 days > 86°F |
| Waverly | Heat Zone 5 31 - 45 days > 86°F |
| Wayland | Heat Zone 1 < 1 days > 86°F |
| Wayne | Heat Zone 1 < 1 days > 86°F |
| Wayne Lakes | Heat Zone 1 < 1 days > 86°F |
| Wayne Lakes Park | Heat Zone 1 < 1 days > 86°F |
| Waynesburg | Heat Zone 2 1 - 7 days > 86°F |
| Waynesfield | Heat Zone 1 < 1 days > 86°F |
| Waynesville | Heat Zone 3 8 - 14 days > 86°F |
| Wellington | Heat Zone 1 < 1 days > 86°F |
| Wellston | Heat Zone 3 8 - 14 days > 86°F |
| Wellsville | Heat Zone 1 < 1 days > 86°F |
| West Alexandria | Heat Zone 2 1 - 7 days > 86°F |
| West Carrollton City | Heat Zone 4 15 - 30 days > 86°F |
| West Chester | Heat Zone 5 31 - 45 days > 86°F |
| West Elkton | Heat Zone 3 8 - 14 days > 86°F |
| West Farmington | Heat Zone 1 < 1 days > 86°F |
| West Hill | Heat Zone 1 < 1 days > 86°F |
| West Jefferson | Heat Zone 2 1 - 7 days > 86°F |
| West Lafayette | Heat Zone 1 < 1 days > 86°F |
| West Leipsic | Heat Zone 1 < 1 days > 86°F |
| West Liberty | Heat Zone 1 < 1 days > 86°F |
| West Manchester | Heat Zone 1 < 1 days > 86°F |
| West Mansfield | Heat Zone 1 < 1 days > 86°F |
| West Millgrove | Heat Zone 1 < 1 days > 86°F |
| West Milton | Heat Zone 3 8 - 14 days > 86°F |
| West Point | Heat Zone 1 < 1 days > 86°F |
| West Portsmouth | Heat Zone 5 31 - 45 days > 86°F |
| West Rushville | Heat Zone 2 1 - 7 days > 86°F |
| West Salem | Heat Zone 1 < 1 days > 86°F |
| West Union | Heat Zone 4 15 - 30 days > 86°F |
| West Unity | Heat Zone 1 < 1 days > 86°F |
| Westerville | Heat Zone 2 1 - 7 days > 86°F |
| Westfield | Heat Zone 2 1 - 7 days > 86°F |
| Westfield Center | Heat Zone 1 < 1 days > 86°F |
| Westlake | Heat Zone 1 < 1 days > 86°F |
| Weston | Heat Zone 1 < 1 days > 86°F |
| Westville | Heat Zone 1 < 1 days > 86°F |
| Wetherington | Heat Zone 4 15 - 30 days > 86°F |
| Wharton | Heat Zone 1 < 1 days > 86°F |
| Wheelersburg | Heat Zone 6 46 - 60 days > 86°F |
| Whipple | Heat Zone 2 1 - 7 days > 86°F |
| White Cottage | Heat Zone 1 < 1 days > 86°F |
| White Oak | Heat Zone 5 31 - 45 days > 86°F |
| White Oak East | Heat Zone 4 15 - 30 days > 86°F |
| White Oak West | Heat Zone 4 15 - 30 days > 86°F |
| Whitehall | Heat Zone 1 < 1 days > 86°F |
| Whitehouse | Heat Zone 1 < 1 days > 86°F |
| Whites Landing | Heat Zone 1 < 1 days > 86°F |
| Wickliffe | Heat Zone 1 < 1 days > 86°F |
| Wightmans Grove | Heat Zone 1 < 1 days > 86°F |
| Wilberforce | Heat Zone 2 1 - 7 days > 86°F |
| Wilkesville | Heat Zone 3 8 - 14 days > 86°F |
| Willard | Heat Zone 1 < 1 days > 86°F |
| Williamsburg | Heat Zone 4 15 - 30 days > 86°F |
| Williamsdale | Heat Zone 5 31 - 45 days > 86°F |
| Williamsfield | Heat Zone 1 < 1 days > 86°F |
| Williamsport | Heat Zone 4 15 - 30 days > 86°F |
| Williamstown | Heat Zone 1 < 1 days > 86°F |
| Williston | Heat Zone 2 1 - 7 days > 86°F |
| Willoughby | Heat Zone 1 < 1 days > 86°F |
| Willoughby Hills | Heat Zone 1 < 1 days > 86°F |
| Willow Wood | Heat Zone 5 31 - 45 days > 86°F |
| Willowick | Heat Zone 1 < 1 days > 86°F |
| Willshire | Heat Zone 2 1 - 7 days > 86°F |
| Wilmington | Heat Zone 3 8 - 14 days > 86°F |
| Wilmot | Heat Zone 1 < 1 days > 86°F |
| Wilson | Heat Zone 2 1 - 7 days > 86°F |
| Winchester | Heat Zone 2 1 - 7 days > 86°F |
| Windham | Heat Zone 1 < 1 days > 86°F |
| Windsor | Heat Zone 1 < 1 days > 86°F |
| Winesburg | Heat Zone 1 < 1 days > 86°F |
| Wingett Run | Heat Zone 3 8 - 14 days > 86°F |
| Winona | Heat Zone 1 < 1 days > 86°F |
| Wintersville | Heat Zone 1 < 1 days > 86°F |
| Withamsville | Heat Zone 4 15 - 30 days > 86°F |
| Wolf Run | Heat Zone 1 < 1 days > 86°F |
| Wolfhurst | Heat Zone 1 < 1 days > 86°F |
| Woodlawn | Heat Zone 5 31 - 45 days > 86°F |
| Woodmere | Heat Zone 1 < 1 days > 86°F |
| Woodsfield | Heat Zone 2 1 - 7 days > 86°F |
| Woodstock | Heat Zone 2 1 - 7 days > 86°F |
| Woodville | Heat Zone 2 1 - 7 days > 86°F |
| Wooster | Heat Zone 1 < 1 days > 86°F |
| Worthington | Heat Zone 2 1 - 7 days > 86°F |
| Wren | Heat Zone 2 1 - 7 days > 86°F |
| Wright-Patterson AFB | Heat Zone 4 15 - 30 days > 86°F |
| Wyoming | Heat Zone 4 15 - 30 days > 86°F |
| Xenia | Heat Zone 2 1 - 7 days > 86°F |
| Yankee Lake | Heat Zone 1 < 1 days > 86°F |
| Yellow Springs | Heat Zone 2 1 - 7 days > 86°F |
| York | Heat Zone 1 < 1 days > 86°F |
| Yorkshire | Heat Zone 1 < 1 days > 86°F |
| Yorkville | Heat Zone 1 < 1 days > 86°F |
| Youngstown | Heat Zone 1 < 1 days > 86°F |
| Zaleski | Heat Zone 2 1 - 7 days > 86°F |
| Zanesfield | Heat Zone 1 < 1 days > 86°F |
| Zanesville | Heat Zone 1 < 1 days > 86°F |
| Zoar | Heat Zone 2 1 - 7 days > 86°F |