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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

52°F

11°C

Humidity 41%
Wind Speed W 7 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Nov 9:55 pm EST
Extended Forecast for

Accokeek MD

  • Tonight

    Tonight: Mostly clear, with a low around 41. West wind around 9 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Northwest wind around 7 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. West wind 6 to 8 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. North wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 41. West wind around 9 mph.
Thursday
Sunny, with a high near 55. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 38. Northwest wind around 7 mph.
Friday
Sunny, with a high near 56. West wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 39. North wind around 6 mph.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.68°N 77°W (Elev. 62 ft)
Last Update:
9:29 pm EST Nov 12, 2025
Forecast Valid:
10pm EST Nov 12, 2025-6pm EST Nov 19, 2025
 
Forecast Discussion
 
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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