Harman US

Washington, DC Weather & Growing Conditions

Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. South wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 53°F Mostly Clear 2 mph S 1%
Wednesday 75°F Mostly Sunny 2 to 9 mph S 1%
Wednesday Night 63°F Mostly Cloudy then Chance Rain Showers 7 mph S 26%
Thursday 76°F Chance Rain Showers 7 to 10 mph S 40%
Thursday Night 63°F Rain Showers Likely 2 to 7 mph SW 62%
Friday 71°F Light Rain Likely 5 mph N 68%
Friday Night 52°F Chance Light Rain then Partly Cloudy 2 to 7 mph NW 41%
Saturday 66°F Mostly Sunny 8 to 12 mph NW 5%
Saturday Night 45°F Mostly Clear 7 to 10 mph NW 5%
Sunday 62°F Mostly Sunny 6 to 10 mph NW 1%
Sunday Night 44°F Mostly Clear 7 mph W 5%
Monday 62°F Sunny 8 to 13 mph NW 5%
Monday Night 42°F Mostly Clear 2 to 7 mph W 5%
Tuesday 65°F Sunny 3 to 9 mph SW 3%

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