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.

Fair

33°F

1°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 30.34 in (1027.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 1 Dec 4:55 am EST
Extended Forecast for

Accokeek MD

  • Today

    Today: Sunny, with a high near 42. Northwest wind 5 to 10 mph becoming light north in the afternoon.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Rain likely, mainly after 5am. Increasing clouds, with a low around 33. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Partly Cloudy
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain, mainly before 1pm. High near 40. Northeast wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 40 °F

    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 10 to 13 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 41. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 42. Northwest wind 5 to 10 mph becoming light north in the afternoon.
Tonight
Rain likely, mainly after 5am. Increasing clouds, with a low around 33. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 1pm. High near 40. Northeast wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 10 to 13 mph.
Wednesday
Sunny, with a high near 41. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Friday Night
A chance of rain and snow before 1am, then rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 44.
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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 Dec 1, 2025
Forecast Valid:
5am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
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Additional Resources

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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