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

50°F

10°C

Humidity 43%
Wind Speed SE 5 mph
Barometer 29.51 in (999.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 14 Jan 3:55 pm EST
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: A chance of rain, mainly between 7pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 28. South wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 32. West wind around 17 mph, with gusts as high as 30 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36. South wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Partly sunny, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain, mainly between 7pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 28. South wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 32. West wind around 17 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 21. West wind 8 to 14 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 36. South wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 31. South wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 18.
M.L.King Day
Sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
Last Update:
3:54 pm EST Jan 14, 2026
Forecast Valid:
4pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
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Additional Resources

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Chance of Precipitation