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

51°F

11°C

Humidity 37%
Wind Speed Calm
Barometer 30.22 in (1023.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Mar 12:55 pm EDT
Extended Forecast for

2 Miles SE Accokeek MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 57. Calm wind becoming southwest around 5 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. South wind 3 to 5 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Scattered showers after 2pm. Increasing clouds, with a high near 68. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    High: 68 °F

    Sunny then
    Scattered
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers before 8am. Mostly sunny, with a high near 69. North wind around 7 mph. Chance of precipitation is 30%.

    High: 69 °F

    Scattered
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 57. Calm wind becoming southwest around 5 mph.
Tonight
Mostly clear, with a low around 38. South wind 3 to 5 mph.
Friday
Scattered showers after 2pm. Increasing clouds, with a high near 68. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Scattered showers before 8am. Mostly sunny, with a high near 69. North wind around 7 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Accokeek MD
 38.66°N 76.98°W (Elev. 144 ft)
Last Update:
1:35 pm EDT Mar 19, 2026
Forecast Valid:
1pm EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
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Additional Resources

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Chance of Precipitation