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.

Fair

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 30.06 in (1018.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 4 Dec 4:55 am EST
Extended Forecast for

Lorton VA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 45. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 25. North wind 5 to 8 mph becoming northeast after midnight.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: Snow likely, mainly after 7am. Cloudy, with a high near 34. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow before 10pm, then a slight chance of freezing rain between 10pm and 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance
    Freezing Rain

  • Saturday

    Saturday: Partly sunny, with a high near 43. Light southwest wind.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    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 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 45. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Increasing clouds, with a low around 25. North wind 5 to 8 mph becoming northeast after midnight.
Friday
Snow likely, mainly after 7am. Cloudy, with a high near 34. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A slight chance of snow before 10pm, then a slight chance of freezing rain between 10pm and 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 43. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
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 4, 2025
Forecast Valid:
5am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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