Harman US

Washington, DC Weather & Growing Conditions

Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. South wind 6 to 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 76°F Mostly Sunny 6 to 9 mph S 1%
Tonight 62°F Mostly Cloudy then Chance Rain Showers 8 mph S 29%
Thursday 75°F Chance Rain Showers 10 mph S 40%
Thursday Night 62°F Rain Showers Likely 2 to 7 mph SW 60%
Friday 71°F Light Rain Likely 5 mph N 65%
Friday Night 52°F Chance Light Rain then Partly Cloudy 2 to 8 mph NW 39%
Saturday 64°F Mostly Sunny 9 to 13 mph NW 5%
Saturday Night 43°F Mostly Clear 8 to 13 mph NW 5%
Sunday 61°F Mostly Sunny 7 to 10 mph NW 1%
Sunday Night 43°F Mostly Clear 8 mph W 5%
Monday 62°F Sunny 9 to 14 mph NW 5%
Monday Night 41°F Mostly Clear 2 to 8 mph W 5%
Tuesday 65°F Sunny 5 to 9 mph SW 3%
Tuesday Night 43°F Mostly Clear 3 to 7 mph W 0%

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
7b

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 (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.