Harman US

Fort Belvoir, VA Weather & Growing Conditions

Today
80°F
Partly Sunny
Partly sunny, with a high near 80. East wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 80°F Partly Sunny 6 mph E 4%
Tonight 66°F Mostly Cloudy 6 mph SE 14%
Sunday 85°F Chance Rain Showers 5 to 10 mph S 31%
Sunday Night 65°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 2 to 8 mph NW 68%
Monday 73°F Chance Rain Showers 9 mph NE 39%
Monday Night 60°F Chance Rain Showers 5 to 8 mph NE 41%
Tuesday 67°F Rain Showers Likely 9 to 13 mph NE 57%
Tuesday Night 57°F Rain Showers Likely 13 mph NE 57%
Wednesday 63°F Chance Rain Showers 15 mph NE 49%
Wednesday Night 57°F Chance Rain Showers 10 to 14 mph NE 46%
Thursday 64°F Chance Showers And Thunderstorms 12 to 15 mph NE 44%
Thursday Night 55°F Chance Showers And Thunderstorms 7 to 14 mph N 39%
Friday 69°F Slight Chance Rain Showers 12 mph N 18%
Friday Night 54°F Slight Chance Rain Showers 5 to 9 mph N 15%

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

Growing snapshot for Fort Belvoir, VA

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

Explore more for Fort Belvoir, VA: full frost dates · planting calendar · Virginia frost dates

Climate data from the nearest NOAA station, Oxon Hill, Md (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.