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.

Overcast

38°F

3°C

Humidity 33%
Wind Speed SE 3 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 17 Jan 4:55 am EST
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: A slight chance of light snow. Cloudy, with a low around 34. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Light Snow

  • Saturday

    Saturday: Rain, snow, and sleet likely before noon, then a slight chance of rain between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.

    High: 47 °F

    Wintry Mix
    Likely then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 32. Light and variable wind.

    Low: 32 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of light snow. Cloudy, with a high near 35. North wind 5 to 8 mph. Chance of precipitation is 40%.

    High: 35 °F

    Chance Light
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.

    Low: 22 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of light snow. Cloudy, with a low around 34. South wind around 7 mph. Chance of precipitation is 20%.
Saturday
Rain, snow, and sleet likely before noon, then a slight chance of rain between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.
Saturday Night
Increasing clouds, with a low around 32. Light and variable wind.
Sunday
A chance of light snow. Cloudy, with a high near 35. North wind 5 to 8 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 36.
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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:
4:28 am EST Jan 17, 2026
Forecast Valid:
5am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation