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

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

26°F

-3°C

Humidity 91%
Wind Speed Calm
Barometer 30.15 in (1021.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Mar 6:55 am EDT
Extended Forecast for

Accokeek MD

  • Today

    Today: Mostly sunny, with a high near 54. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 54 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 43. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55. West wind 8 to 10 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. East wind 5 to 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 70. Breezy. Chance of precipitation is 100%.

    High: 70 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 35. Breezy. Chance of precipitation is 80%.

    Low: 35 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers before 8am. Mostly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Tonight
Mostly clear, with a low around 43. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 55. West wind 8 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 43. East wind 5 to 7 mph.
Sunday
Mostly cloudy, with a high near 59. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Showers. Low around 55. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 70. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 35. Breezy. Chance of precipitation is 80%.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.69°N 77.03°W (Elev. 115 ft)
Last Update:
4:53 am EDT Mar 13, 2026
Forecast Valid:
7am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation