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

37°F

3°C

Humidity 49%
Wind Speed W 5 mph
Barometer 30.21 in (1023.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 4 Dec 6:55 pm EST
Extended Forecast for

2 Miles NNW Potomac Heights MD

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, mainly after 3am. Low around 25. North wind 6 to 11 mph becoming northeast after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 25 °F

    Mostly Cloudy
    then Snow

  • Friday

    Friday: Snow before 11am, then a chance of snow and freezing rain. High near 34. East wind around 6 mph becoming calm in the morning. 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 27. Calm wind.

    Low: 27 °F

    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Calm wind becoming northwest around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow, mainly after 3am. Low around 25. North wind 6 to 11 mph becoming northeast after midnight. Chance of precipitation is 80%. 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 around 6 mph becoming calm in the morning. 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 27. Calm wind.
Saturday
Partly sunny, with a high near 42. Calm wind.
Saturday Night
Partly cloudy, with a low around 31. Calm wind becoming northwest around 5 mph after midnight.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Potomac Heights MD
 38.63°N 77.15°W (Elev. 3 ft)
Last Update:
6:53 pm EST Dec 4, 2025
Forecast Valid:
7pm 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