Harman US

Washington, DC Weather & Growing Conditions

Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 53°F Mostly Clear 5 mph S 2%
Wednesday 75°F Mostly Sunny 3 to 10 mph S 2%
Wednesday Night 62°F Mostly Cloudy then Chance Light Rain 8 mph S 33%
Thursday 75°F Chance Light Rain 10 mph S 43%
Thursday Night 62°F Light Rain Likely 3 to 7 mph S 55%
Friday 71°F Rain Likely 5 mph NW 71%
Friday Night 52°F Light Rain Likely 2 to 7 mph NW 71%
Saturday 66°F Mostly Sunny 8 to 12 mph NW 11%
Saturday Night 44°F Partly Cloudy 8 mph NW 11%
Sunday 62°F Mostly Sunny 5 to 8 mph NW 5%
Sunday Night 44°F Slight Chance Light Rain 5 to 8 mph W 20%
Monday 62°F Slight Chance Light Rain 9 to 14 mph NW 20%
Monday Night 42°F Slight Chance Light Rain 5 to 9 mph W 19%
Tuesday 64°F Sunny 7 to 12 mph W 13%

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.