National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

28°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.07 in (1018.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 8 Dec 12:55 am EST
Extended Forecast for

Accokeek MD

  • Overnight

    Overnight: Cloudy, with a low around 32. North wind 7 to 10 mph.

    Low: 32 °F

    Cloudy

  • Monday

    Monday: A chance of snow. Cloudy, with a high near 33. Northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 22. North wind 3 to 8 mph.

    Low: 22 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. South wind around 11 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 48. Chance of precipitation is 20%.

    High: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 32. North wind 7 to 10 mph.
Monday
A chance of snow. Cloudy, with a high near 33. Northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 22. North wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 36. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 33. South wind around 11 mph.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 48. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 41.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.68°N 77°W (Elev. 62 ft)
Last Update:
12:53 am EST Dec 8, 2025
Forecast Valid:
1am EST Dec 8, 2025-6pm EST Dec 14, 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