Fort Belvoir, VA Weather & Growing Conditions
Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. South wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 6 to 9 mph S | 1% |
| Tonight | 62°F | Mostly Cloudy then Chance Rain Showers | 3 to 7 mph S | 26% |
| Thursday | 75°F | Chance Rain Showers | 7 to 10 mph S | 38% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 64% |
| Friday | 71°F | Showers And Thunderstorms Likely then Light Rain Likely | 5 mph N | 71% |
| Friday Night | 52°F | Chance Light Rain then Partly Cloudy | 1 to 7 mph NW | 41% |
| Saturday | 64°F | Mostly Sunny | 8 to 13 mph NW | 6% |
| Saturday Night | 44°F | Mostly Clear | 9 mph NW | 5% |
| Sunday | 62°F | Sunny | 6 to 10 mph NW | 1% |
| Sunday Night | 42°F | Mostly Clear | 6 mph W | 5% |
| Monday | 63°F | Sunny | 6 to 14 mph NW | 5% |
| Monday Night | 41°F | Mostly Clear | 2 to 6 mph W | 5% |
| Tuesday | 66°F | Sunny | 3 to 8 mph SW | 2% |
| Tuesday Night | 43°F | Mostly Clear | 6 mph W | 0% |
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 Nov 4, 2026.