Fort Belvoir, VA Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 7 mph S | 0% |
| Tonight | 64°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 9 mph S | 23% |
| Thursday | 76°F | Chance Light Rain then Mostly Cloudy | 8 to 12 mph S | 31% |
| Thursday Night | 61°F | Mostly Cloudy then Chance Light Rain | 1 to 7 mph SW | 37% |
| Friday | 71°F | Chance Light Rain | 5 mph N | 40% |
| Friday Night | 51°F | Chance Light Rain then Mostly Cloudy | 1 to 10 mph N | 36% |
| Saturday | 63°F | Mostly Sunny | 13 mph NW | 6% |
| Saturday Night | 44°F | Mostly Clear | 10 mph NW | 4% |
| Sunday | 63°F | Sunny | 6 to 12 mph NW | 1% |
| Sunday Night | 43°F | Mostly Clear | 7 mph NW | 0% |
| Monday | 63°F | Sunny | 6 to 13 mph NW | 0% |
| Monday Night | 40°F | Mostly Clear | 2 to 6 mph W | 0% |
| Tuesday | 68°F | Sunny | 3 to 8 mph SW | 1% |
| Tuesday Night | 44°F | Mostly Clear | 5 mph W | 1% |
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 5, 2026.