Harman US

Washington, DC Weather & Growing Conditions

Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Sunny 8 mph E 3%
Tonight 72°F Slight Chance Showers And Thunderstorms 1 to 7 mph E 59%
Wednesday 87°F Showers And Thunderstorms Likely 2 to 7 mph SE 64%
Wednesday Night 74°F Chance Showers And Thunderstorms 3 to 7 mph S 54%
Thursday 92°F Mostly Sunny 6 to 10 mph SW 14%
Thursday Night 75°F Slight Chance Showers And Thunderstorms 5 to 9 mph SW 15%
Friday 92°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 8 mph SW 34%
Friday Night 74°F Chance Showers And Thunderstorms 2 to 7 mph SW 48%
Saturday 91°F Partly Sunny then Chance Showers And Thunderstorms 2 to 6 mph SW 54%
Saturday Night 73°F Chance Showers And Thunderstorms 1 to 5 mph SW 54%
Sunday 91°F Mostly Sunny then Slight Chance Showers And Thunderstorms 1 to 6 mph W 21%
Sunday Night 75°F Slight Chance Showers And Thunderstorms then Partly Cloudy 1 to 6 mph SW 21%
Monday 93°F Mostly Sunny 2 to 7 mph W 11%
Monday Night 75°F Slight Chance Showers And Thunderstorms 2 to 6 mph W 17%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Washington, DC

Last spring frost
Mar 29
First fall frost
Nov 8
Growing season
224 days
Hardiness zone
8a

Explore more for Washington, DC: full frost dates · planting calendar · District of Columbia frost dates

Climate data from the nearest NOAA station, Natl Arboretum Dc, Md (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.