Harman US

Fort Washington, MD Weather & Growing Conditions

This Afternoon
85°F
Partly Sunny
Partly sunny, with a high near 85. East wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 85°F Partly Sunny 8 mph E 7%
Tonight 70°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 1 to 7 mph E 62%
Wednesday 86°F Showers And Thunderstorms Likely 2 to 7 mph SE 64%
Wednesday Night 73°F Chance Showers And Thunderstorms 7 mph S 48%
Thursday 90°F Mostly Sunny 6 to 12 mph SW 11%
Thursday Night 74°F Partly Cloudy 6 to 10 mph SW 11%
Friday 91°F Mostly Sunny then Chance Showers And Thunderstorms 8 mph SW 31%
Friday Night 72°F Chance Showers And Thunderstorms 3 to 7 mph SW 45%
Saturday 90°F Partly Sunny then Chance Showers And Thunderstorms 3 to 7 mph SW 50%
Saturday Night 71°F Chance Showers And Thunderstorms 2 to 7 mph SW 50%
Sunday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph W 20%
Sunday Night 73°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 mph SW 20%
Monday 92°F Mostly Sunny 2 to 7 mph W 10%
Monday Night 74°F Slight Chance Showers And Thunderstorms 2 to 7 mph SW 16%

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

Growing snapshot for Fort Washington, MD

Last spring frost
Apr 3
First fall frost
Nov 8
Growing season
217 days
Hardiness zone
7b

Explore more for Fort Washington, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Oxon Hill, Md (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.