Fort Belvoir, VA Weather & Growing Conditions
Overnight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. Northeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 7 mph NE | 2% |
| Saturday | 80°F | Mostly Cloudy | 8 mph NE | 10% |
| Saturday Night | 68°F | Mostly Cloudy | 7 mph SE | 10% |
| Sunday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 13 mph S | 37% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 5 to 9 mph NW | 60% |
| Monday | 77°F | Chance Rain Showers | 7 to 10 mph NE | 42% |
| Monday Night | 64°F | Rain Showers Likely | 6 to 10 mph NE | 55% |
| Tuesday | 68°F | Rain Showers Likely | 14 mph NE | 61% |
| Tuesday Night | 59°F | Rain Showers Likely | 13 mph NE | 61% |
| Wednesday | 64°F | Chance Rain Showers | 12 to 15 mph NE | 50% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 50% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 12 mph NE | 48% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms | 5 to 9 mph N | 34% |
| Friday | 70°F | Slight Chance Rain Showers | 10 mph N | 23% |
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.