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

40°F

4°C

Humidity 40%
Wind Speed NW 13 G 21 mph
Barometer 30.31 in (1026.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Mar 1:55 am EDT
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: Mostly clear, with a low around 32. North wind around 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 38. Calm wind becoming south around 5 mph after midnight.

    Low: 38 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind 6 to 9 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. South wind around 8 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 32. North wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 52. North wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Increasing clouds, with a low around 38. Calm wind becoming south around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 60. South wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 48. South wind around 8 mph.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.23°W (Elev. 279 ft)
Last Update:
1:32 am EDT Mar 24, 2026
Forecast Valid:
2am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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