National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

32°F

0°C

Humidity 90%
Wind Speed Calm
Barometer 29.93 in (1013.9 mb)
Dewpoint 29°F (-2°C)
Visibility 9.00 mi
Last update 6 Dec 3:55 am EST
Extended Forecast for

3 Miles SE Mount Vernon VA

Winter Weather Advisory December 6, 04:56am until December 6, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 6, 04:56am until December 6, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • Overnight

    Low: 30 °F

    Slight Chance
    Freezing Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Overnight
A slight chance of freezing rain. Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Saturday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 43. Calm wind.
Saturday Night
Mostly clear, with a low around 28. Calm wind.
Sunday
Partly sunny, with a high near 45. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 29. Calm wind becoming north 5 to 8 mph after midnight.
Monday
Partly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Mount Vernon VA
 38.69°N 77.06°W (Elev. 144 ft)
Last Update:
3:53 am EST Dec 6, 2025
Forecast Valid:
4am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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