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

32°F

0°C

Humidity 87%
Wind Speed Calm
Barometer 30.08 in (1018.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 2 Dec 2:55 am EST
Extended Forecast for

Accokeek MD

  • Overnight

    Overnight: Rain likely, mainly after 5am. Cloudy, with a low around 32. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly before 2pm. High near 41. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. Northwest wind 10 to 13 mph.

    Low: 31 °F

    Mostly Clear

  • 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 31. Calm wind becoming southwest around 6 mph.

    Low: 31 °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 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow before 1am, then a chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Cloudy, with a low around 32. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 2pm. High near 41. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
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 31. Calm wind becoming southwest around 6 mph.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 35.
Friday Night
A chance of snow before 1am, then a chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 37.
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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:
3:02 am EST Dec 2, 2025
Forecast Valid:
3am EST Dec 2, 2025-6pm EST Dec 8, 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