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

39°F

4°C

Humidity 58%
Wind Speed SE 8 mph
Barometer 30.33 in (1027.4 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 30 Nov 3:55 am EST
Extended Forecast for

Accokeek MD

  • Today

    Today: Rain and snow likely, becoming all rain after noon, then gradually ending. Mostly cloudy, with a high near 44. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Southwest wind 8 to 13 mph becoming northwest in the evening.

    Low: 34 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 43. Northwest wind 5 to 10 mph becoming light north in the afternoon.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Rain and snow likely after 1am. Increasing clouds, with a low around 34. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain. High near 41. Southeast wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 100%.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 1am. Partly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Rain and snow likely, becoming all rain after noon, then gradually ending. Mostly cloudy, with a high near 44. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Southwest wind 8 to 13 mph becoming northwest in the evening.
Monday
Sunny, with a high near 43. Northwest wind 5 to 10 mph becoming light north in the afternoon.
Monday Night
Rain and snow likely after 1am. Increasing clouds, with a low around 34. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
Rain. High near 41. Southeast wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 100%.
Tuesday Night
A slight chance of rain before 1am. Partly cloudy, with a low around 30. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 35.
Friday Night
Rain and snow likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Saturday
A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
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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:
3:53 am EST Nov 30, 2025
Forecast Valid:
4am EST Nov 30, 2025-6pm EST Dec 6, 2025
 
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Additional Resources

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Chance of Precipitation