Maryland 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 Maryland 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

  • Delaware Interactive Heat Zones Map
  • District Of Columbia Interactive Heat Zones Map
  • Pennsylvania Interactive Heat Zones Map
  • Virginia Interactive Heat Zones Map
  • West Virginia Interactive Heat Zones Map

Related Maryland Maps:

  • Maryland 1990 USDA Hardiness Zone Map
  • Maryland 2012 USDA Hardiness Zone Map
  • Maryland First Frost Date Map
  • Maryland Last Frost Date Map
  • Map of Maryland Record High/Low Temperatures
  • Maryland Interactive Drought Monitor Map
  • Maryland Drought Index Map
  • Maryland Ecoregions

Heat Zones for Cities and Towns in Maryland

LocationHeat Zone
AbellHeat Zone 6
46 - 60 days > 86°F
AberdeenHeat Zone 4
15 - 30 days > 86°F
Aberdeen Proving GroundHeat Zone 4
15 - 30 days > 86°F
AbingdonHeat Zone 4
15 - 30 days > 86°F
AccidentHeat Zone 1
< 1 days > 86°F
AccokeekHeat Zone 5
31 - 45 days > 86°F
AdamstownHeat Zone 5
31 - 45 days > 86°F
AdelphiHeat Zone 6
46 - 60 days > 86°F
AlgonquinHeat Zone 6
46 - 60 days > 86°F
AllenHeat Zone 4
15 - 30 days > 86°F
Andrews AFBHeat Zone 5
31 - 45 days > 86°F
AnnapolisHeat Zone 6
46 - 60 days > 86°F
Annapolis JunctionHeat Zone 5
31 - 45 days > 86°F
AntietamHeat Zone 4
15 - 30 days > 86°F
AquascoHeat Zone 4
15 - 30 days > 86°F
ArbutusHeat Zone 5
31 - 45 days > 86°F
Arden on the SevernHeat Zone 5
31 - 45 days > 86°F
ArnoldHeat Zone 6
46 - 60 days > 86°F
AshtonHeat Zone 4
15 - 30 days > 86°F
Ashton-Sandy SpringHeat Zone 4
15 - 30 days > 86°F
Aspen HillHeat Zone 4
15 - 30 days > 86°F
Assateague Island Natl SeashoreHeat Zone 2
1 - 7 days > 86°F
AvenueHeat Zone 6
46 - 60 days > 86°F
BadenHeat Zone 4
15 - 30 days > 86°F
BagtownHeat Zone 4
15 - 30 days > 86°F
BakersvilleHeat Zone 4
15 - 30 days > 86°F
BaldwinHeat Zone 4
15 - 30 days > 86°F
Ballenger CreekHeat Zone 6
46 - 60 days > 86°F
BaltimoreHeat Zone 5
31 - 45 days > 86°F
Baltimore HighlandsHeat Zone 5
31 - 45 days > 86°F
Baltimore/BWI ArptHeat Zone 5
31 - 45 days > 86°F
Baltimore/Inner HarborHeat Zone 5
31 - 45 days > 86°F
Baltimore/Martin ArptHeat Zone 4
15 - 30 days > 86°F
BarclayHeat Zone 4
15 - 30 days > 86°F
BarnesvilleHeat Zone 3
8 - 14 days > 86°F
BarrelvilleHeat Zone 4
15 - 30 days > 86°F
BarstowHeat Zone 4
15 - 30 days > 86°F
BartonHeat Zone 2
1 - 7 days > 86°F
BartonsvilleHeat Zone 5
31 - 45 days > 86°F
BeallsvilleHeat Zone 4
15 - 30 days > 86°F
Beaver CreekHeat Zone 4
15 - 30 days > 86°F
Bel AirHeat Zone 4
15 - 30 days > 86°F
Bel Air NorthHeat Zone 4
15 - 30 days > 86°F
Bel Air SouthHeat Zone 4
15 - 30 days > 86°F
Bel AltonHeat Zone 4
15 - 30 days > 86°F
BelcampHeat Zone 4
15 - 30 days > 86°F
BeltsvilleHeat Zone 5
31 - 45 days > 86°F
BenedictHeat Zone 4
15 - 30 days > 86°F
BennsvilleHeat Zone 4
15 - 30 days > 86°F
BensonHeat Zone 4
15 - 30 days > 86°F
BerlinHeat Zone 3
8 - 14 days > 86°F
Berwyn HeightsHeat Zone 5
31 - 45 days > 86°F
BethesdaHeat Zone 6
46 - 60 days > 86°F
BethlehemHeat Zone 6
46 - 60 days > 86°F
BettertonHeat Zone 4
15 - 30 days > 86°F
BierHeat Zone 4
15 - 30 days > 86°F
Big PoolHeat Zone 4
15 - 30 days > 86°F
Big SpringHeat Zone 4
15 - 30 days > 86°F
BishopvilleHeat Zone 4
15 - 30 days > 86°F
BittingerHeat Zone 1
< 1 days > 86°F
BivalveHeat Zone 5
31 - 45 days > 86°F
BladensburgHeat Zone 6
46 - 60 days > 86°F
BloomingtonHeat Zone 2
1 - 7 days > 86°F
BoonsboroHeat Zone 4
15 - 30 days > 86°F
BoringHeat Zone 3
8 - 14 days > 86°F
BowieHeat Zone 5
31 - 45 days > 86°F
Bowleys QuartersHeat Zone 5
31 - 45 days > 86°F
Bowling GreenHeat Zone 5
31 - 45 days > 86°F
Bowmans AdditionHeat Zone 5
31 - 45 days > 86°F
BoydsHeat Zone 3
8 - 14 days > 86°F
BozmanHeat Zone 6
46 - 60 days > 86°F
Braddock HeightsHeat Zone 5
31 - 45 days > 86°F
BrandywineHeat Zone 4
15 - 30 days > 86°F
BreathedsvilleHeat Zone 4
15 - 30 days > 86°F
BrentwoodHeat Zone 6
46 - 60 days > 86°F
BridgeportHeat Zone 4
15 - 30 days > 86°F
BrinklowHeat Zone 4
15 - 30 days > 86°F
Brock HallHeat Zone 4
15 - 30 days > 86°F
BrookevilleHeat Zone 4
15 - 30 days > 86°F
BrooklandvilleHeat Zone 4
15 - 30 days > 86°F
BrooklynHeat Zone 5
31 - 45 days > 86°F
Brooklyn ParkHeat Zone 5
31 - 45 days > 86°F
BrookmontHeat Zone 7
61 - 90 days > 86°F
BrookviewHeat Zone 6
46 - 60 days > 86°F
Broomes IslandHeat Zone 4
15 - 30 days > 86°F
BrownsvilleHeat Zone 5
31 - 45 days > 86°F
BrunswickHeat Zone 6
46 - 60 days > 86°F
Bryans RoadHeat Zone 5
31 - 45 days > 86°F
BryantownHeat Zone 4
15 - 30 days > 86°F
BuckeystownHeat Zone 5
31 - 45 days > 86°F
BurkittsvilleHeat Zone 5
31 - 45 days > 86°F
BurtonsvilleHeat Zone 5
31 - 45 days > 86°F
BushwoodHeat Zone 5
31 - 45 days > 86°F
ButlerHeat Zone 2
1 - 7 days > 86°F
ButlertownHeat Zone 4
15 - 30 days > 86°F
Cabin JohnHeat Zone 6
46 - 60 days > 86°F
CaliforniaHeat Zone 4
15 - 30 days > 86°F
CallawayHeat Zone 5
31 - 45 days > 86°F
Calvert BeachHeat Zone 4
15 - 30 days > 86°F
CalvertonHeat Zone 5
31 - 45 days > 86°F
CambridgeHeat Zone 6
46 - 60 days > 86°F
Camp DavidHeat Zone 1
< 1 days > 86°F
Camp SpringsHeat Zone 6
46 - 60 days > 86°F
Cape St. ClaireHeat Zone 6
46 - 60 days > 86°F
Capitol HeightsHeat Zone 6
46 - 60 days > 86°F
CarlosHeat Zone 2
1 - 7 days > 86°F
CarneyHeat Zone 4
15 - 30 days > 86°F
CascadeHeat Zone 2
1 - 7 days > 86°F
CatonsvilleHeat Zone 5
31 - 45 days > 86°F
CavetownHeat Zone 3
8 - 14 days > 86°F
CearfossHeat Zone 4
15 - 30 days > 86°F
CeciltonHeat Zone 4
15 - 30 days > 86°F
CedarvilleHeat Zone 4
15 - 30 days > 86°F
CentrevilleHeat Zone 5
31 - 45 days > 86°F
ChanceHeat Zone 4
15 - 30 days > 86°F
ChapticoHeat Zone 5
31 - 45 days > 86°F
CharlestownHeat Zone 4
15 - 30 days > 86°F
Charlotte HallHeat Zone 4
15 - 30 days > 86°F
CharltonHeat Zone 4
15 - 30 days > 86°F
ChaseHeat Zone 4
15 - 30 days > 86°F
CheltenhamHeat Zone 4
15 - 30 days > 86°F
Chesapeake BeachHeat Zone 4
15 - 30 days > 86°F
Chesapeake CityHeat Zone 4
15 - 30 days > 86°F
Chesapeake Ranch EstatesHeat Zone 4
15 - 30 days > 86°F
ChesterHeat Zone 5
31 - 45 days > 86°F
ChestertownHeat Zone 4
15 - 30 days > 86°F
CheverlyHeat Zone 6
46 - 60 days > 86°F
Chevy ChaseHeat Zone 6
46 - 60 days > 86°F
Chevy Chase Section FiveHeat Zone 6
46 - 60 days > 86°F
Chevy Chase Section ThreeHeat Zone 7
61 - 90 days > 86°F
Chevy Chase ViewHeat Zone 5
31 - 45 days > 86°F
Chevy Chase VillageHeat Zone 6
46 - 60 days > 86°F
ChewsvilleHeat Zone 4
15 - 30 days > 86°F
ChildsHeat Zone 4
15 - 30 days > 86°F
ChillumHeat Zone 6
46 - 60 days > 86°F
ChoptankHeat Zone 6
46 - 60 days > 86°F
Church CreekHeat Zone 6
46 - 60 days > 86°F
Church HillHeat Zone 4
15 - 30 days > 86°F
ChurchtonHeat Zone 5
31 - 45 days > 86°F
ChurchvilleHeat Zone 4
15 - 30 days > 86°F
ClaiborneHeat Zone 6
46 - 60 days > 86°F
ClarksburgHeat Zone 3
8 - 14 days > 86°F
ClarksvilleHeat Zone 4
15 - 30 days > 86°F
ClarysvilleHeat Zone 2
1 - 7 days > 86°F
Clear SpringHeat Zone 4
15 - 30 days > 86°F
ClementsHeat Zone 4
15 - 30 days > 86°F
ClintonHeat Zone 6
46 - 60 days > 86°F
Clover HillHeat Zone 6
46 - 60 days > 86°F
CloverlyHeat Zone 4
15 - 30 days > 86°F
Cobb IslandHeat Zone 7
61 - 90 days > 86°F
CockeysvilleHeat Zone 4
15 - 30 days > 86°F
ColesvilleHeat Zone 5
31 - 45 days > 86°F
College ParkHeat Zone 6
46 - 60 days > 86°F
Colmar ManorHeat Zone 6
46 - 60 days > 86°F
ColoraHeat Zone 4
15 - 30 days > 86°F
Coltons PointHeat Zone 6
46 - 60 days > 86°F
ColumbiaHeat Zone 4
15 - 30 days > 86°F
ComptonHeat Zone 5
31 - 45 days > 86°F
ConowingoHeat Zone 4
15 - 30 days > 86°F
CooksvilleHeat Zone 4
15 - 30 days > 86°F
Coral HillsHeat Zone 6
46 - 60 days > 86°F
CordovaHeat Zone 5
31 - 45 days > 86°F
CorriganvilleHeat Zone 5
31 - 45 days > 86°F
Cottage CityHeat Zone 6
46 - 60 days > 86°F
CrapoHeat Zone 6
46 - 60 days > 86°F
CrellinHeat Zone 1
< 1 days > 86°F
CresaptownHeat Zone 5
31 - 45 days > 86°F
CrisfieldHeat Zone 2
1 - 7 days > 86°F
CrocheronHeat Zone 5
31 - 45 days > 86°F
CroftonHeat Zone 5
31 - 45 days > 86°F
CroomHeat Zone 4
15 - 30 days > 86°F
CrownsvilleHeat Zone 6
46 - 60 days > 86°F
CrumptonHeat Zone 4
15 - 30 days > 86°F
CumberlandHeat Zone 6
46 - 60 days > 86°F
Curtis BayHeat Zone 5
31 - 45 days > 86°F
DamascusHeat Zone 3
8 - 14 days > 86°F
DameronHeat Zone 5
31 - 45 days > 86°F
Dames QuarterHeat Zone 4
15 - 30 days > 86°F
DanvilleHeat Zone 3
8 - 14 days > 86°F
DarganHeat Zone 5
31 - 45 days > 86°F
DarlingtonHeat Zone 4
15 - 30 days > 86°F
DarnestownHeat Zone 4
15 - 30 days > 86°F
DavidsonvilleHeat Zone 5
31 - 45 days > 86°F
DawsonHeat Zone 3
8 - 14 days > 86°F
DaytonHeat Zone 4
15 - 30 days > 86°F
Deal IslandHeat Zone 3
8 - 14 days > 86°F
DealeHeat Zone 4
15 - 30 days > 86°F
Deer ParkHeat Zone 1
< 1 days > 86°F
DelmarHeat Zone 5
31 - 45 days > 86°F
DentonHeat Zone 5
31 - 45 days > 86°F
DerwoodHeat Zone 4
15 - 30 days > 86°F
DetmoldHeat Zone 2
1 - 7 days > 86°F
DickersonHeat Zone 4
15 - 30 days > 86°F
District HeightsHeat Zone 5
31 - 45 days > 86°F
Dodge ParkHeat Zone 5
31 - 45 days > 86°F
DowellHeat Zone 4
15 - 30 days > 86°F
DownsvilleHeat Zone 4
15 - 30 days > 86°F
DraydenHeat Zone 5
31 - 45 days > 86°F
Drum PointHeat Zone 4
15 - 30 days > 86°F
DundalkHeat Zone 5
31 - 45 days > 86°F
DunkirkHeat Zone 4
15 - 30 days > 86°F
Dunkirk Town CenterHeat Zone 4
15 - 30 days > 86°F
Eagle HarborHeat Zone 4
15 - 30 days > 86°F
EarlevilleHeat Zone 4
15 - 30 days > 86°F
East New MarketHeat Zone 6
46 - 60 days > 86°F
East RiverdaleHeat Zone 6
46 - 60 days > 86°F
EastonHeat Zone 5
31 - 45 days > 86°F
Eckhart MinesHeat Zone 2
1 - 7 days > 86°F
EdenHeat Zone 4
15 - 30 days > 86°F
EdesvilleHeat Zone 4
15 - 30 days > 86°F
EdgemereHeat Zone 5
31 - 45 days > 86°F
EdgemontHeat Zone 2
1 - 7 days > 86°F
EdgewaterHeat Zone 6
46 - 60 days > 86°F
EdgewoodHeat Zone 4
15 - 30 days > 86°F
EdmonstonHeat Zone 6
46 - 60 days > 86°F
EldersburgHeat Zone 4
15 - 30 days > 86°F
EldoradoHeat Zone 6
46 - 60 days > 86°F
Elk MillsHeat Zone 4
15 - 30 days > 86°F
ElkridgeHeat Zone 5
31 - 45 days > 86°F
ElktonHeat Zone 4
15 - 30 days > 86°F
EllerslieHeat Zone 5
31 - 45 days > 86°F
Ellicott CityHeat Zone 4
15 - 30 days > 86°F
ElliottHeat Zone 5
31 - 45 days > 86°F
EmmitsburgHeat Zone 3
8 - 14 days > 86°F
ErnstvilleHeat Zone 4
15 - 30 days > 86°F
EssexHeat Zone 5
31 - 45 days > 86°F
EwellHeat Zone 4
15 - 30 days > 86°F
FairlandHeat Zone 5
31 - 45 days > 86°F
FairleeHeat Zone 4
15 - 30 days > 86°F
FairmountHeat Zone 3
8 - 14 days > 86°F
Fairmount HeightsHeat Zone 6
46 - 60 days > 86°F
FairplayHeat Zone 4
15 - 30 days > 86°F
FairviewHeat Zone 2
1 - 7 days > 86°F
FallstonHeat Zone 4
15 - 30 days > 86°F
FaulknerHeat Zone 5
31 - 45 days > 86°F
FederalsburgHeat Zone 5
31 - 45 days > 86°F
FerndaleHeat Zone 5
31 - 45 days > 86°F
FinksburgHeat Zone 4
15 - 30 days > 86°F
FinzelHeat Zone 2
1 - 7 days > 86°F
Fishing CreekHeat Zone 6
46 - 60 days > 86°F
FlintstoneHeat Zone 5
31 - 45 days > 86°F
Forest GlenHeat Zone 5
31 - 45 days > 86°F
Forest HeightsHeat Zone 6
46 - 60 days > 86°F
Forest HillHeat Zone 4
15 - 30 days > 86°F
ForestvilleHeat Zone 6
46 - 60 days > 86°F
ForkHeat Zone 4
15 - 30 days > 86°F
Fort George G Mead JunctionHeat Zone 5
31 - 45 days > 86°F
Fort George G MeadeHeat Zone 5
31 - 45 days > 86°F
Fort HowardHeat Zone 5
31 - 45 days > 86°F
Fort RitchieHeat Zone 2
1 - 7 days > 86°F
Fort WashingtonHeat Zone 6
46 - 60 days > 86°F
Fountainhead-Orchard HillsHeat Zone 4
15 - 30 days > 86°F
Four CornersHeat Zone 6
46 - 60 days > 86°F
FranklinHeat Zone 2
1 - 7 days > 86°F
FrederickHeat Zone 6
46 - 60 days > 86°F
FreelandHeat Zone 2
1 - 7 days > 86°F
Frenchtown-RumblyHeat Zone 2
1 - 7 days > 86°F
FriendlyHeat Zone 6
46 - 60 days > 86°F
FriendshipHeat Zone 4
15 - 30 days > 86°F
Friendship VillageHeat Zone 7
61 - 90 days > 86°F
FriendsvilleHeat Zone 1
< 1 days > 86°F
FrostburgHeat Zone 1
< 1 days > 86°F
FruitlandHeat Zone 5
31 - 45 days > 86°F
FultonHeat Zone 5
31 - 45 days > 86°F
FunkstownHeat Zone 4
15 - 30 days > 86°F
GaithersburgHeat Zone 4
15 - 30 days > 86°F
GalenaHeat Zone 4
15 - 30 days > 86°F
GalestownHeat Zone 6
46 - 60 days > 86°F
GalesvilleHeat Zone 5
31 - 45 days > 86°F
GambrillsHeat Zone 5
31 - 45 days > 86°F
GaplandHeat Zone 5
31 - 45 days > 86°F
Garrett ParkHeat Zone 5
31 - 45 days > 86°F
Garretts MillHeat Zone 5
31 - 45 days > 86°F
GarrisonHeat Zone 5
31 - 45 days > 86°F
GeorgetownHeat Zone 4
15 - 30 days > 86°F
GermantownHeat Zone 3
8 - 14 days > 86°F
Gibson IslandHeat Zone 6
46 - 60 days > 86°F
GilmoreHeat Zone 2
1 - 7 days > 86°F
GirdletreeHeat Zone 3
8 - 14 days > 86°F
GlassmanorHeat Zone 6
46 - 60 days > 86°F
Glen ArmHeat Zone 4
15 - 30 days > 86°F
Glen BurnieHeat Zone 5
31 - 45 days > 86°F
Glen EchoHeat Zone 6
46 - 60 days > 86°F
Glen Echo HeightsHeat Zone 6
46 - 60 days > 86°F
GlenardenHeat Zone 5
31 - 45 days > 86°F
GlenelgHeat Zone 4
15 - 30 days > 86°F
GlenmontHeat Zone 4
15 - 30 days > 86°F
Glenn DaleHeat Zone 6
46 - 60 days > 86°F
GlenwoodHeat Zone 6
46 - 60 days > 86°F
GlyndonHeat Zone 4
15 - 30 days > 86°F
GoddardHeat Zone 5
31 - 45 days > 86°F
Golden BeachHeat Zone 4
15 - 30 days > 86°F
GoldsboroHeat Zone 5
31 - 45 days > 86°F
GormanHeat Zone 1
< 1 days > 86°F
GrahamtownHeat Zone 2
1 - 7 days > 86°F
GrantsvilleHeat Zone 1
< 1 days > 86°F
GrasonvilleHeat Zone 5
31 - 45 days > 86°F
Great MillsHeat Zone 5
31 - 45 days > 86°F
Greater Upper MarlboroHeat Zone 4
15 - 30 days > 86°F
Green HavenHeat Zone 5
31 - 45 days > 86°F
Green ValleyHeat Zone 4
15 - 30 days > 86°F
GreenbeltHeat Zone 4
15 - 30 days > 86°F
GreensboroHeat Zone 5
31 - 45 days > 86°F
GreensburgHeat Zone 2
1 - 7 days > 86°F
GunpowderHeat Zone 4
15 - 30 days > 86°F
Gwynn OakHeat Zone 5
31 - 45 days > 86°F
HagerstownHeat Zone 4
15 - 30 days > 86°F
HalethorpeHeat Zone 5
31 - 45 days > 86°F
HalfwayHeat Zone 4
15 - 30 days > 86°F
HampsteadHeat Zone 3
8 - 14 days > 86°F
HamptonHeat Zone 4
15 - 30 days > 86°F
HancockHeat Zone 2
1 - 7 days > 86°F
HanoverHeat Zone 5
31 - 45 days > 86°F
HarmansHeat Zone 5
31 - 45 days > 86°F
HarwoodHeat Zone 5
31 - 45 days > 86°F
Havre de GraceHeat Zone 4
15 - 30 days > 86°F
HebronHeat Zone 5
31 - 45 days > 86°F
HelenHeat Zone 4
15 - 30 days > 86°F
HendersonHeat Zone 5
31 - 45 days > 86°F
HenrytonHeat Zone 4
15 - 30 days > 86°F
Herald HarborHeat Zone 6
46 - 60 days > 86°F
Highfield-CascadeHeat Zone 2
1 - 7 days > 86°F
HighlandHeat Zone 4
15 - 30 days > 86°F
Highland BeachHeat Zone 6
46 - 60 days > 86°F
HillandaleHeat Zone 5
31 - 45 days > 86°F
Hillcrest HeightsHeat Zone 6
46 - 60 days > 86°F
HillsboroHeat Zone 5
31 - 45 days > 86°F
Hillsmere ShoresHeat Zone 6
46 - 60 days > 86°F
HollywoodHeat Zone 4
15 - 30 days > 86°F
HughesvilleHeat Zone 4
15 - 30 days > 86°F
Hunt ValleyHeat Zone 4
15 - 30 days > 86°F
HuntingtownHeat Zone 4
15 - 30 days > 86°F
Huntingtown Town CenterHeat Zone 4
15 - 30 days > 86°F
HurlockHeat Zone 6
46 - 60 days > 86°F
HuttonHeat Zone 1
< 1 days > 86°F
HyattsvilleHeat Zone 6
46 - 60 days > 86°F
HydesHeat Zone 4
15 - 30 days > 86°F
IjamsvilleHeat Zone 4
15 - 30 days > 86°F
IlchesterHeat Zone 5
31 - 45 days > 86°F
Indian HeadHeat Zone 5
31 - 45 days > 86°F
Indian SpringsHeat Zone 4
15 - 30 days > 86°F
InglesideHeat Zone 5
31 - 45 days > 86°F
IronsidesHeat Zone 5
31 - 45 days > 86°F
IssueHeat Zone 7
61 - 90 days > 86°F
JarrettsvilleHeat Zone 4
15 - 30 days > 86°F
JeffersonHeat Zone 5
31 - 45 days > 86°F
JenningsHeat Zone 1
< 1 days > 86°F
JessupHeat Zone 5
31 - 45 days > 86°F
JestervilleHeat Zone 5
31 - 45 days > 86°F
JoppaHeat Zone 4
15 - 30 days > 86°F
JoppatowneHeat Zone 4
15 - 30 days > 86°F
JugtownHeat Zone 4
15 - 30 days > 86°F
KeedysvilleHeat Zone 4
15 - 30 days > 86°F
Kemp MillHeat Zone 5
31 - 45 days > 86°F
KennedyvilleHeat Zone 4
15 - 30 days > 86°F
KensingtonHeat Zone 5
31 - 45 days > 86°F
Kent NarrowsHeat Zone 5
31 - 45 days > 86°F
KentlandHeat Zone 6
46 - 60 days > 86°F
KetteringHeat Zone 4
15 - 30 days > 86°F
KeymarHeat Zone 3
8 - 14 days > 86°F
KingstownHeat Zone 4
15 - 30 days > 86°F
KingsvilleHeat Zone 4
15 - 30 days > 86°F
KitzmillerHeat Zone 1
< 1 days > 86°F
KlondikeHeat Zone 2
1 - 7 days > 86°F
KnoxvilleHeat Zone 5
31 - 45 days > 86°F
La PlataHeat Zone 4
15 - 30 days > 86°F
La ValeHeat Zone 5
31 - 45 days > 86°F
LadiesburgHeat Zone 3
8 - 14 days > 86°F
Lake ArborHeat Zone 5
31 - 45 days > 86°F
Lake ShoreHeat Zone 6
46 - 60 days > 86°F
LandoverHeat Zone 6
46 - 60 days > 86°F
Landover HillsHeat Zone 5
31 - 45 days > 86°F
Langley ParkHeat Zone 6
46 - 60 days > 86°F
LanhamHeat Zone 5
31 - 45 days > 86°F
LansdowneHeat Zone 5
31 - 45 days > 86°F
LargoHeat Zone 5
31 - 45 days > 86°F
LaurelHeat Zone 5
31 - 45 days > 86°F
LawsoniaHeat Zone 2
1 - 7 days > 86°F
LayhillHeat Zone 4
15 - 30 days > 86°F
LaytonsvilleHeat Zone 4
15 - 30 days > 86°F
Leisure WorldHeat Zone 4
15 - 30 days > 86°F
LeitersburgHeat Zone 4
15 - 30 days > 86°F
LeonardtownHeat Zone 5
31 - 45 days > 86°F
Lexington ParkHeat Zone 4
15 - 30 days > 86°F
LibertytownHeat Zone 3
8 - 14 days > 86°F
LineboroHeat Zone 2
1 - 7 days > 86°F
LinganoreHeat Zone 3
8 - 14 days > 86°F
LinkwoodHeat Zone 6
46 - 60 days > 86°F
LinthicumHeat Zone 5
31 - 45 days > 86°F
Linthicum HeightsHeat Zone 5
31 - 45 days > 86°F
LinwoodHeat Zone 4
15 - 30 days > 86°F
LisbonHeat Zone 4
15 - 30 days > 86°F
Little OrleansHeat Zone 3
8 - 14 days > 86°F
Loch Lynn HeightsHeat Zone 1
< 1 days > 86°F
LochearnHeat Zone 5
31 - 45 days > 86°F
LonaconingHeat Zone 2
1 - 7 days > 86°F
LondontowneHeat Zone 6
46 - 60 days > 86°F
Long BeachHeat Zone 4
15 - 30 days > 86°F
Long GreenHeat Zone 4
15 - 30 days > 86°F
Long MeadowHeat Zone 4
15 - 30 days > 86°F
LothianHeat Zone 5
31 - 45 days > 86°F
LovevilleHeat Zone 4
15 - 30 days > 86°F
LukeHeat Zone 2
1 - 7 days > 86°F
LusbyHeat Zone 4
15 - 30 days > 86°F
LuthervilleHeat Zone 4
15 - 30 days > 86°F
Lutherville-TimoniumHeat Zone 4
15 - 30 days > 86°F
MadisonHeat Zone 6
46 - 60 days > 86°F
ManchesterHeat Zone 3
8 - 14 days > 86°F
ManokinHeat Zone 4
15 - 30 days > 86°F
MaplevilleHeat Zone 4
15 - 30 days > 86°F
MarburyHeat Zone 5
31 - 45 days > 86°F
Mardela SpringsHeat Zone 6
46 - 60 days > 86°F
MarinersHeat Zone 3
8 - 14 days > 86°F
Marlboro MeadowsHeat Zone 4
15 - 30 days > 86°F
Marlow HeightsHeat Zone 6
46 - 60 days > 86°F
MarltonHeat Zone 4
15 - 30 days > 86°F
MarriottsvilleHeat Zone 4
15 - 30 days > 86°F
Martin's AdditionsHeat Zone 6
46 - 60 days > 86°F
MarydelHeat Zone 5
31 - 45 days > 86°F
Maryland CityHeat Zone 5
31 - 45 days > 86°F
Maryland LineHeat Zone 2
1 - 7 days > 86°F
MasseyHeat Zone 4
15 - 30 days > 86°F
MaugansvilleHeat Zone 4
15 - 30 days > 86°F
MayoHeat Zone 6
46 - 60 days > 86°F
Mays ChapelHeat Zone 4
15 - 30 days > 86°F
McCooleHeat Zone 3
8 - 14 days > 86°F
McDanielHeat Zone 6
46 - 60 days > 86°F
McHenryHeat Zone 1
< 1 days > 86°F
MechanicsvilleHeat Zone 4
15 - 30 days > 86°F
MellwoodHeat Zone 5
31 - 45 days > 86°F
MercersvilleHeat Zone 4
15 - 30 days > 86°F
Middle RiverHeat Zone 4
15 - 30 days > 86°F
MiddleburgHeat Zone 3
8 - 14 days > 86°F
MiddletownHeat Zone 5
31 - 45 days > 86°F
MidlandHeat Zone 2
1 - 7 days > 86°F
MidlothianHeat Zone 2
1 - 7 days > 86°F
Milford MillHeat Zone 5
31 - 45 days > 86°F
MillersvilleHeat Zone 5
31 - 45 days > 86°F
MillingtonHeat Zone 4
15 - 30 days > 86°F
MitchellvilleHeat Zone 5
31 - 45 days > 86°F
MonktonHeat Zone 2
1 - 7 days > 86°F
MonroviaHeat Zone 4
15 - 30 days > 86°F
Montgomery VillageHeat Zone 4
15 - 30 days > 86°F
MorganzaHeat Zone 4
15 - 30 days > 86°F
MorningsideHeat Zone 6
46 - 60 days > 86°F
MoscowHeat Zone 2
1 - 7 days > 86°F
Mount AetnaHeat Zone 4
15 - 30 days > 86°F
Mount AiryHeat Zone 3
8 - 14 days > 86°F
Mount BriarHeat Zone 5
31 - 45 days > 86°F
Mount LenaHeat Zone 4
15 - 30 days > 86°F
Mount RainierHeat Zone 6
46 - 60 days > 86°F
Mount SavageHeat Zone 2
1 - 7 days > 86°F
Mount VernonHeat Zone 5
31 - 45 days > 86°F
Mount VictoriaHeat Zone 6
46 - 60 days > 86°F
Mountain Lake ParkHeat Zone 1
< 1 days > 86°F
MyersvilleHeat Zone 4
15 - 30 days > 86°F
NanjemoyHeat Zone 5
31 - 45 days > 86°F
NanticokeHeat Zone 5
31 - 45 days > 86°F
Nanticoke AcresHeat Zone 4
15 - 30 days > 86°F
NationalHeat Zone 2
1 - 7 days > 86°F
Naval AcademyHeat Zone 6
46 - 60 days > 86°F
NeavittHeat Zone 6
46 - 60 days > 86°F
New CarrolltonHeat Zone 5
31 - 45 days > 86°F
New MarketHeat Zone 4
15 - 30 days > 86°F
New MidwayHeat Zone 4
15 - 30 days > 86°F
New WindsorHeat Zone 4
15 - 30 days > 86°F
NewarkHeat Zone 4
15 - 30 days > 86°F
NewburgHeat Zone 6
46 - 60 days > 86°F
NewcombHeat Zone 6
46 - 60 days > 86°F
NikepHeat Zone 2
1 - 7 days > 86°F
North BeachHeat Zone 4
15 - 30 days > 86°F
North Bel AirHeat Zone 4
15 - 30 days > 86°F
North BethesdaHeat Zone 4
15 - 30 days > 86°F
North BrentwoodHeat Zone 6
46 - 60 days > 86°F
North Chevy ChaseHeat Zone 6
46 - 60 days > 86°F
North EastHeat Zone 4
15 - 30 days > 86°F
North KensingtonHeat Zone 5
31 - 45 days > 86°F
North LaurelHeat Zone 5
31 - 45 days > 86°F
North PotomacHeat Zone 4
15 - 30 days > 86°F
NottinghamHeat Zone 4
15 - 30 days > 86°F
OaklandHeat Zone 1
< 1 days > 86°F
OceanHeat Zone 2
1 - 7 days > 86°F
Ocean CityHeat Zone 3
8 - 14 days > 86°F
Ocean PinesHeat Zone 3
8 - 14 days > 86°F
OdentonHeat Zone 5
31 - 45 days > 86°F
OldtownHeat Zone 5
31 - 45 days > 86°F
OlneyHeat Zone 4
15 - 30 days > 86°F
OverleaHeat Zone 4
15 - 30 days > 86°F
OwingsHeat Zone 4
15 - 30 days > 86°F
Owings MillsHeat Zone 5
31 - 45 days > 86°F
OxfordHeat Zone 6
46 - 60 days > 86°F
Oxon HillHeat Zone 6
46 - 60 days > 86°F
Palmer ParkHeat Zone 5
31 - 45 days > 86°F
Paramount-Long MeadowHeat Zone 4
15 - 30 days > 86°F
Park HallHeat Zone 4
15 - 30 days > 86°F
ParktonHeat Zone 1
< 1 days > 86°F
ParkvilleHeat Zone 4
15 - 30 days > 86°F
ParoleHeat Zone 6
46 - 60 days > 86°F
ParsonsburgHeat Zone 4
15 - 30 days > 86°F
PasadenaHeat Zone 5
31 - 45 days > 86°F
Patuxent RiverHeat Zone 5
31 - 45 days > 86°F
PecktonvilleHeat Zone 3
8 - 14 days > 86°F
Peppermill VillageHeat Zone 6
46 - 60 days > 86°F
Perry HallHeat Zone 4
15 - 30 days > 86°F
Perry PointHeat Zone 4
15 - 30 days > 86°F
PerrymanHeat Zone 4
15 - 30 days > 86°F
PerryvilleHeat Zone 4
15 - 30 days > 86°F
PhoenixHeat Zone 4
15 - 30 days > 86°F
PikesvilleHeat Zone 5
31 - 45 days > 86°F
PinesburgHeat Zone 4
15 - 30 days > 86°F
Piney PointHeat Zone 6
46 - 60 days > 86°F
PintoHeat Zone 5
31 - 45 days > 86°F
PittsvilleHeat Zone 4
15 - 30 days > 86°F
Pleasant GroveHeat Zone 3
8 - 14 days > 86°F
Pleasant HillsHeat Zone 4
15 - 30 days > 86°F
Pocomoke CityHeat Zone 3
8 - 14 days > 86°F
Point Of RocksHeat Zone 5
31 - 45 days > 86°F
Pokomoke CityHeat Zone 3
8 - 14 days > 86°F
PomfretHeat Zone 4
15 - 30 days > 86°F
PondsvilleHeat Zone 4
15 - 30 days > 86°F
PoolesvilleHeat Zone 4
15 - 30 days > 86°F
Port DepositHeat Zone 4
15 - 30 days > 86°F
Port RepublicHeat Zone 4
15 - 30 days > 86°F
Port TobaccoHeat Zone 4
15 - 30 days > 86°F
PotomacHeat Zone 5
31 - 45 days > 86°F
Potomac HeightsHeat Zone 5
31 - 45 days > 86°F
Potomac ParkHeat Zone 5
31 - 45 days > 86°F
PowellvilleHeat Zone 4
15 - 30 days > 86°F
PrestonHeat Zone 6
46 - 60 days > 86°F
PriceHeat Zone 4
15 - 30 days > 86°F
Prince FrederickHeat Zone 4
15 - 30 days > 86°F
Princess AnneHeat Zone 4
15 - 30 days > 86°F
PumphreyHeat Zone 5
31 - 45 days > 86°F
PylesvilleHeat Zone 4
15 - 30 days > 86°F
QuanticoHeat Zone 5
31 - 45 days > 86°F
Queen AnneHeat Zone 5
31 - 45 days > 86°F
QueenstownHeat Zone 5
31 - 45 days > 86°F
RandallstownHeat Zone 5
31 - 45 days > 86°F
RawlingsHeat Zone 4
15 - 30 days > 86°F
RedlandHeat Zone 4
15 - 30 days > 86°F
RehobethHeat Zone 3
8 - 14 days > 86°F
ReidHeat Zone 4
15 - 30 days > 86°F
ReisterstownHeat Zone 4
15 - 30 days > 86°F
RhodesdaleHeat Zone 6
46 - 60 days > 86°F
RiderwoodHeat Zone 4
15 - 30 days > 86°F
RidgeHeat Zone 5
31 - 45 days > 86°F
RidgelyHeat Zone 5
31 - 45 days > 86°F
RinggoldHeat Zone 3
8 - 14 days > 86°F
Rising SunHeat Zone 4
15 - 30 days > 86°F
RivaHeat Zone 6
46 - 60 days > 86°F
RiverdaleHeat Zone 6
46 - 60 days > 86°F
Riverdale ParkHeat Zone 6
46 - 60 days > 86°F
RiversideHeat Zone 4
15 - 30 days > 86°F
Riviera BeachHeat Zone 5
31 - 45 days > 86°F
RobinwoodHeat Zone 4
15 - 30 days > 86°F
Rock HallHeat Zone 5
31 - 45 days > 86°F
Rock PointHeat Zone 7
61 - 90 days > 86°F
RockvilleHeat Zone 4
15 - 30 days > 86°F
Rocky RidgeHeat Zone 3
8 - 14 days > 86°F
RohrersvilleHeat Zone 5
31 - 45 days > 86°F
RosaryvilleHeat Zone 4
15 - 30 days > 86°F
RosedaleHeat Zone 4
15 - 30 days > 86°F
RosemontHeat Zone 6
46 - 60 days > 86°F
RossmoorHeat Zone 4
15 - 30 days > 86°F
RossvilleHeat Zone 4
15 - 30 days > 86°F
Royal OakHeat Zone 6
46 - 60 days > 86°F
SabillasvilleHeat Zone 2
1 - 7 days > 86°F
Saint George IslandHeat Zone 6
46 - 60 days > 86°F
Saint InigoesHeat Zone 5
31 - 45 days > 86°F
Saint JamesHeat Zone 4
15 - 30 days > 86°F
Saint LeonardHeat Zone 4
15 - 30 days > 86°F
Saint Marys CityHeat Zone 5
31 - 45 days > 86°F
Saint MichaelsHeat Zone 6
46 - 60 days > 86°F
SalisburyHeat Zone 5
31 - 45 days > 86°F
San MarHeat Zone 4
15 - 30 days > 86°F
Sandy HookHeat Zone 5
31 - 45 days > 86°F
Sandy SpringHeat Zone 4
15 - 30 days > 86°F
SavageHeat Zone 5
31 - 45 days > 86°F
ScotlandHeat Zone 5
31 - 45 days > 86°F
SeabrookHeat Zone 5
31 - 45 days > 86°F
Seat PleasantHeat Zone 6
46 - 60 days > 86°F
SecretaryHeat Zone 6
46 - 60 days > 86°F
Selby-on-the-BayHeat Zone 6
46 - 60 days > 86°F
SevernHeat Zone 5
31 - 45 days > 86°F
Severna ParkHeat Zone 6
46 - 60 days > 86°F
Shady SideHeat Zone 5
31 - 45 days > 86°F
SharpsburgHeat Zone 4
15 - 30 days > 86°F
SharptownHeat Zone 6
46 - 60 days > 86°F
SherwoodHeat Zone 6
46 - 60 days > 86°F
ShowellHeat Zone 3
8 - 14 days > 86°F
Silver HillHeat Zone 6
46 - 60 days > 86°F
Silver SpringHeat Zone 6
46 - 60 days > 86°F
SimpsonvilleHeat Zone 4
15 - 30 days > 86°F
Smith IslandHeat Zone 4
15 - 30 days > 86°F
SmithsburgHeat Zone 3
8 - 14 days > 86°F
Snow HillHeat Zone 4
15 - 30 days > 86°F
SolomonsHeat Zone 4
15 - 30 days > 86°F
SomersetHeat Zone 6
46 - 60 days > 86°F
South Bel AirHeat Zone 4
15 - 30 days > 86°F
South GateHeat Zone 5
31 - 45 days > 86°F
South KensingtonHeat Zone 5
31 - 45 days > 86°F
South LaurelHeat Zone 4
15 - 30 days > 86°F
Southern MD FacilityHeat Zone 4
15 - 30 days > 86°F
Sparks GlencoeHeat Zone 2
1 - 7 days > 86°F
Sparrows PointHeat Zone 5
31 - 45 days > 86°F
SpencervilleHeat Zone 4
15 - 30 days > 86°F
Spring GapHeat Zone 5
31 - 45 days > 86°F
Spring RidgeHeat Zone 5
31 - 45 days > 86°F
SpringdaleHeat Zone 5
31 - 45 days > 86°F
St. CharlesHeat Zone 4
15 - 30 days > 86°F
StevensonHeat Zone 5
31 - 45 days > 86°F
StevensvilleHeat Zone 6
46 - 60 days > 86°F
Stevensville SouthHeat Zone 6
46 - 60 days > 86°F
Still PondHeat Zone 4
15 - 30 days > 86°F
StocktonHeat Zone 2
1 - 7 days > 86°F
StreetHeat Zone 4
15 - 30 days > 86°F
SudlersvilleHeat Zone 4
15 - 30 days > 86°F
SuitlandHeat Zone 6
46 - 60 days > 86°F
SunderlandHeat Zone 4
15 - 30 days > 86°F
SwantonHeat Zone 1
< 1 days > 86°F
SykesvilleHeat Zone 4
15 - 30 days > 86°F
Takoma ParkHeat Zone 6
46 - 60 days > 86°F
Tall TimbersHeat Zone 5
31 - 45 days > 86°F
TaneytownHeat Zone 3
8 - 14 days > 86°F
Taylors IslandHeat Zone 5
31 - 45 days > 86°F
Temple HillsHeat Zone 6
46 - 60 days > 86°F
TemplevilleHeat Zone 4
15 - 30 days > 86°F
ThurmontHeat Zone 3
8 - 14 days > 86°F
TilghmanHeat Zone 6
46 - 60 days > 86°F
Tilghman IslandHeat Zone 6
46 - 60 days > 86°F
TilghmantonHeat Zone 4
15 - 30 days > 86°F
TimoniumHeat Zone 4
15 - 30 days > 86°F
ToddvilleHeat Zone 5
31 - 45 days > 86°F
TolchesterHeat Zone 4
15 - 30 days > 86°F
TowsonHeat Zone 4
15 - 30 days > 86°F
Tracys LandingHeat Zone 4
15 - 30 days > 86°F
TrappeHeat Zone 6
46 - 60 days > 86°F
TravilahHeat Zone 4
15 - 30 days > 86°F
TuscaroraHeat Zone 4
15 - 30 days > 86°F
TyaskinHeat Zone 5
31 - 45 days > 86°F
TylertonHeat Zone 4
15 - 30 days > 86°F
Union BridgeHeat Zone 4
15 - 30 days > 86°F
UnionvilleHeat Zone 3
8 - 14 days > 86°F
University ParkHeat Zone 6
46 - 60 days > 86°F
Upper FairmountHeat Zone 3
8 - 14 days > 86°F
Upper FallsHeat Zone 4
15 - 30 days > 86°F
Upper MarlboroHeat Zone 4
15 - 30 days > 86°F
UppercoHeat Zone 3
8 - 14 days > 86°F
UrbanaHeat Zone 4
15 - 30 days > 86°F
Vale SummitHeat Zone 2
1 - 7 days > 86°F
Valley LeeHeat Zone 5
31 - 45 days > 86°F
ViennaHeat Zone 6
46 - 60 days > 86°F
WaldorfHeat Zone 4
15 - 30 days > 86°F
Walker MillHeat Zone 6
46 - 60 days > 86°F
WalkersvilleHeat Zone 5
31 - 45 days > 86°F
WarwickHeat Zone 5
31 - 45 days > 86°F
Washington GroveHeat Zone 4
15 - 30 days > 86°F
WaterviewHeat Zone 4
15 - 30 days > 86°F
WelcomeHeat Zone 4
15 - 30 days > 86°F
WenonaHeat Zone 3
8 - 14 days > 86°F
West DentonHeat Zone 5
31 - 45 days > 86°F
West ElkridgeHeat Zone 5
31 - 45 days > 86°F
West FriendshipHeat Zone 4
15 - 30 days > 86°F
West LaurelHeat Zone 5
31 - 45 days > 86°F
West Ocean CityHeat Zone 3
8 - 14 days > 86°F
West PocomokeHeat Zone 3
8 - 14 days > 86°F
West RiverHeat Zone 5
31 - 45 days > 86°F
WesternportHeat Zone 2
1 - 7 days > 86°F
WestminsterHeat Zone 5
31 - 45 days > 86°F
Westminster SouthHeat Zone 5
31 - 45 days > 86°F
WestoverHeat Zone 4
15 - 30 days > 86°F
WestphaliaHeat Zone 4
15 - 30 days > 86°F
WhaleyvilleHeat Zone 4
15 - 30 days > 86°F
WheatonHeat Zone 5
31 - 45 days > 86°F
White HallHeat Zone 2
1 - 7 days > 86°F
White MarshHeat Zone 4
15 - 30 days > 86°F
White OakHeat Zone 5
31 - 45 days > 86°F
White PlainsHeat Zone 4
15 - 30 days > 86°F
WhitefordHeat Zone 3
8 - 14 days > 86°F
WhitehavenHeat Zone 5
31 - 45 days > 86°F
WillardsHeat Zone 4
15 - 30 days > 86°F
WilliamsportHeat Zone 4
15 - 30 days > 86°F
WillistonHeat Zone 5
31 - 45 days > 86°F
Wilson-ConococheagueHeat Zone 4
15 - 30 days > 86°F
Windsor MillHeat Zone 5
31 - 45 days > 86°F
WingateHeat Zone 5
31 - 45 days > 86°F
Wisp Four Seasons ResortHeat Zone 1
< 1 days > 86°F
WittmanHeat Zone 6
46 - 60 days > 86°F
WoodbineHeat Zone 4
15 - 30 days > 86°F
WoodlandHeat Zone 2
1 - 7 days > 86°F
WoodlawnHeat Zone 5
31 - 45 days > 86°F
WoodmoreHeat Zone 5
31 - 45 days > 86°F
WoodsboroHeat Zone 4
15 - 30 days > 86°F
WoodstockHeat Zone 4
15 - 30 days > 86°F
WoolfordHeat Zone 6
46 - 60 days > 86°F
WortonHeat Zone 4
15 - 30 days > 86°F
Wye MillsHeat Zone 5
31 - 45 days > 86°F
YarrowsburgHeat Zone 5
31 - 45 days > 86°F
ZihlmanHeat Zone 1
< 1 days > 86°F
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