National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

30°F

-1°C

Humidity 84%
Wind Speed Calm
Barometer 30.12 in (1020.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 Mar 11:55 pm EDT
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: Mostly clear, with a low around 31. Light west wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 54. Breezy, with a south wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 54 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. West wind 9 to 16 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. West wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. East wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Breezy. Chance of precipitation is 90%.

    High: 69 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Light west wind.
Friday
Increasing clouds, with a high near 54. Breezy, with a south wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.
Friday Night
Mostly clear, with a low around 41. West wind 9 to 16 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny, with a high near 56. West wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 41. East wind 3 to 5 mph.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Showers. Low around 53. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Breezy. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 31. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
10:53 pm EDT Mar 12, 2026
Forecast Valid:
12am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation