Fort Belvoir, VA Weather & Growing Conditions
Today
80°F
Partly Sunny
Partly sunny, with a high near 80. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny | 6 mph E | 4% |
| Tonight | 66°F | Mostly Cloudy | 6 mph SE | 14% |
| Sunday | 85°F | Chance Rain Showers | 5 to 10 mph S | 31% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 8 mph NW | 68% |
| Monday | 73°F | Chance Rain Showers | 9 mph NE | 39% |
| Monday Night | 60°F | Chance Rain Showers | 5 to 8 mph NE | 41% |
| Tuesday | 67°F | Rain Showers Likely | 9 to 13 mph NE | 57% |
| Tuesday Night | 57°F | Rain Showers Likely | 13 mph NE | 57% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 49% |
| Wednesday Night | 57°F | Chance Rain Showers | 10 to 14 mph NE | 46% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 44% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 7 to 14 mph N | 39% |
| Friday | 69°F | Slight Chance Rain Showers | 12 mph N | 18% |
| Friday Night | 54°F | Slight Chance Rain Showers | 5 to 9 mph N | 15% |
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.