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
86°F
Partly Sunny
Partly sunny, with a high near 86. Northeast wind around 7 mph.
7-day forecast for Fort Belvoir
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny | 7 mph NE | 9% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 6 mph E | 66% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 66% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 6 mph S | 49% |
| Thursday | 90°F | Mostly Sunny | 6 to 10 mph S | 11% |
| Thursday Night | 74°F | Mostly Clear | 5 to 9 mph SW | 11% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 mph SW | 33% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 44% |
| Saturday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 49% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 49% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 19% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 19% |
| Monday | 92°F | Mostly Sunny | 2 to 6 mph W | 10% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 5 mph W | 15% |
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
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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 Aug 4, 2026.