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

49°F

9°C

Humidity 78%
Wind Speed W 3 mph
Barometer 29.74 in (1007.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 6 Jan 4:55 pm EST
Extended Forecast for

Accokeek MD

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 46. South wind 7 to 9 mph.

    Low: 46 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 45. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 46. South wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 57. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 37. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 45. South wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
A chance of rain. Cloudy, with a high near 63. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 57. Chance of precipitation is 70%.
Saturday
Rain. High near 64. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 49.
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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 pm EST Jan 6, 2026
Forecast Valid:
5pm EST Jan 6, 2026-6pm EST Jan 13, 2026
 
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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