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

38°F

3°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in (1016.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 24 Dec 3:55 am EST
Extended Forecast for

Annandale VA

  • Today

    Today: Sunny, with a high near 51. Northwest wind 7 to 13 mph, with gusts as high as 26 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain after 4am. Increasing clouds, with a low around 35. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Christmas Day

    Christmas Day: A chance of rain, mainly between 7am and 1pm. Mostly cloudy, with a high near 54. South wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 30%.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. North wind around 7 mph.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain or freezing rain before 10am, then a slight chance of snow between 10am and 1pm, then rain and sleet likely after 1pm. Cloudy, with a high near 36. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.

    High: 36 °F

    Slight Chance
    Wintry Mix
    then Wintry
    Mix Likely

  • Friday Night

    Friday Night: Rain or freezing rain, becoming all rain after 10pm. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Rain/Freezing
    Rain then
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 51. Northwest wind 7 to 13 mph, with gusts as high as 26 mph.
Tonight
A slight chance of rain after 4am. Increasing clouds, with a low around 35. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Christmas Day
A chance of rain, mainly between 7am and 1pm. Mostly cloudy, with a high near 54. South wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 29. North wind around 7 mph.
Friday
A slight chance of rain or freezing rain before 10am, then a slight chance of snow between 10am and 1pm, then rain and sleet likely after 1pm. Cloudy, with a high near 36. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.
Friday Night
Rain or freezing rain, becoming all rain after 10pm. Low around 31. Chance of precipitation is 80%.
Saturday
Mostly cloudy, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 49. Chance of precipitation is 60%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
Last Update:
3:53 am EST Dec 24, 2025
Forecast Valid:
4am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation