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

31°F

-1°C

Humidity 85%
Wind Speed N 3 mph
Barometer 30.07 in (1018.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 5 Dec 2:55 pm EST
Extended Forecast for

Accokeek MD

Winter Weather Advisory December 5, 07:00pm until December 6, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of snow, mainly before 4pm. Patchy fog. Otherwise, cloudy, with a high near 33. Light northeast wind. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow
    and Patchy
    Fog

  • Tonight

    Tonight: Freezing rain before 10pm, then a slight chance of rain between 10pm and midnight, then freezing rain after midnight. Patchy fog. Low around 31. Light and variable wind. Chance of precipitation is 80%. Little or no ice accumulation expected.

    Low: 31 °F

    Rain/Freezing
    Rain and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Calm wind becoming north around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Partly Sunny

  • Sunday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow, mainly before 4pm. Patchy fog. Otherwise, cloudy, with a high near 33. Light northeast wind. Chance of precipitation is 30%.
Tonight
Freezing rain before 10pm, then a slight chance of rain between 10pm and midnight, then freezing rain after midnight. Patchy fog. Low around 31. Light and variable wind. Chance of precipitation is 80%. Little or no ice accumulation expected.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 42. Calm wind.
Saturday Night
Mostly clear, with a low around 31. Calm wind becoming north around 5 mph.
Sunday
Partly sunny, with a high near 43. Calm wind.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.69°N 77.03°W (Elev. 115 ft)
Last Update:
1:35 pm EST Dec 5, 2025
Forecast Valid:
3pm EST Dec 5, 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