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.

Partly Cloudy

35°F

2°C

Humidity 52%
Wind Speed W 5 mph
Barometer 30.24 in (1024.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 4 Dec 7:55 pm EST
Extended Forecast for

Lorton VA

Winter Weather Advisory December 5, 04:00am until December 5, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow likely, mainly after 4am. Increasing clouds, with a low around 24. North wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Snow
    Likely

  • Friday

    Friday: Snow before 11am, then a chance of snow and freezing rain. High near 34. East wind 3 to 5 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    High: 34 °F

    Wintry Mix
    then Chance
    Wintry Mix

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 44. Light southwest wind.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Light and variable wind.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow likely, mainly after 4am. Increasing clouds, with a low around 24. North wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow before 11am, then a chance of snow and freezing rain. High near 34. East wind 3 to 5 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Saturday
Partly sunny, with a high near 44. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 28. Light and variable wind.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 47.
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.
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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:
6:53 pm EST Dec 4, 2025
Forecast Valid:
8pm EST Dec 4, 2025-6pm EST Dec 11, 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