Fort Belvoir, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Belvoir, a community in Fairfax County, Virginia.
Today
76°F
Patchy Fog then Mostly Sunny
Patchy fog between 7am and 8am. Mostly sunny, with a high near 76. South wind 2 to 9 mph.
7-day forecast for Fort Belvoir
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Fog then Mostly Sunny | 2 to 9 mph S | 1% |
| Tonight | 62°F | Mostly Cloudy then Chance Rain Showers | 3 to 7 mph S | 25% |
| 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 Mostly Cloudy | 2 to 7 mph NW | 42% |
| Saturday | 64°F | Mostly Sunny | 8 to 13 mph NW | 5% |
| Saturday Night | 44°F | Mostly Clear | 9 mph NW | 5% |
| Sunday | 62°F | Sunny | 6 to 10 mph NW | 1% |
| Sunday Night | 43°F | Mostly Clear | 6 mph W | 5% |
| Monday | 62°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) for Fort Belvoir (38.713, -77.144). Updated through the day.
Growing snapshot for Fort Belvoir
Last spring frost
Apr 3
First fall frost
Nov 8
Growing season
217 days
Hardiness zone
7b
More local growing data for Fort Belvoir: nearby ZIP 22060 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Annandale
Bailey's Crossroads
Belle Haven
Braddock
Bull Run
Burke
Burke Centre
Centreville
Chantilly
Clifton
Crosspointe
Difficult Run
Dranesville
Dunn Loring
Fair Lakes
Fair Oaks
Fairfax
Fairfax Station
Floris
Fort Hunt
Franconia
Franklin Farm
George Mason
Great Falls
Great Falls Crossing
Greenbriar
Groveton
Hayfield
Herndon
Huntington
Climate data from the nearest NOAA station, Oxon Hill, Md (11 mi from Fort Belvoir). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.