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.

Mostly Cloudy

57°F

14°C

Humidity 39%
Wind Speed SE 7 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Mar 6:55 pm EDT
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain before 7pm, then a chance of rain after 2am. Increasing clouds, with a low around 56. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly after 8am. High near 65. West wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 8pm. Low around 34. North wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 75. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday Night
A slight chance of rain before 7pm, then a chance of rain after 2am. Increasing clouds, with a low around 56. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday
Rain, mainly after 8am. High near 65. West wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain, mainly before 8pm. Low around 34. North wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Wednesday
A chance of rain. Partly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
4:54 pm EDT Mar 25, 2026
Forecast Valid:
7pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation