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

35°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 30.11 in (1020.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 4 Dec 8:55 am EST
Extended Forecast for

Accokeek MD

  • Today

    Today: Mostly sunny, with a high near 44. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. North wind 5 to 9 mph becoming northeast after midnight.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: Snow likely, mainly after 7am. Cloudy, with a high near 34. Light east wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of rain and 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 42. Light southwest wind.

    High: 42 °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 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 44. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 25. North wind 5 to 9 mph becoming northeast after midnight.
Friday
Snow likely, mainly after 7am. Cloudy, with a high near 34. Light east wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A slight chance of rain and 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 42. 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 28.
Monday
Partly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 20.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.67°N 77.03°W (Elev. 148 ft)
Last Update:
7:57 am EST Dec 4, 2025
Forecast Valid:
9am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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