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

68°F

20°C

Humidity 39%
Wind Speed S 7 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Mar 10:55 am EDT
Extended Forecast for

Accokeek MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. Calm wind becoming south around 5 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. South wind around 6 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain after 2pm. Partly sunny, with a high near 78. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 78 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 8pm. Mostly clear, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. Calm wind becoming south around 5 mph.
Tonight
Mostly clear, with a low around 50. Light and variable wind.
Tuesday
Sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. South wind around 6 mph.
Wednesday
A chance of rain after 2pm. Partly sunny, with a high near 78. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 70%.
Thursday Night
A chance of rain before 8pm. Mostly clear, with a low around 35. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly cloudy, with a high near 63.
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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:
10:54 am EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
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