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.

Mostly Cloudy

34°F

1°C

Humidity 91%
Wind Speed Calm
Barometer 29.93 in (1013.9 mb)
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Last update 6 Dec 5:55 am EST
Extended Forecast for

Lorton VA

Winter Weather Advisory December 6, 06:24am until December 6, 07:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory December 6, 06:24am until December 6, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • Today

    High: 43 °F

    Slight Chance
    Freezing Rain
    and Patchy
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Calm wind becoming north 5 to 9 mph after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. North wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of freezing rain before 7am. Patchy fog between 7am and 11am. Otherwise, partly sunny, with a high near 43. Calm wind. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 27. Light and variable wind.
Sunday
Partly sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 28. Calm wind becoming north 5 to 9 mph after midnight.
Monday
Mostly sunny, with a high near 36. North wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 33. 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 30. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lorton VA
 38.71°N 77.23°W (Elev. 125 ft)
Last Update:
3:53 am EST Dec 6, 2025
Forecast Valid:
6am 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