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.

Partly Cloudy

42°F

6°C

Humidity 29%
Wind Speed NW 17 G 26 mph
Barometer 30.16 in (1021.7 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 28 Nov 1:55 pm EST
Extended Forecast for

3 Miles NNW Potomac Heights MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. West wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. West wind 6 to 8 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43. West wind around 5 mph becoming calm in the afternoon.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Calm wind becoming south around 5 mph after midnight.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 46. South wind 5 to 9 mph. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of rain before 1am. Partly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain. High near 40. Chance of precipitation is 80%.

    High: 40 °F

    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. West wind 14 to 16 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 27. West wind 6 to 8 mph.
Saturday
Sunny, with a high near 43. West wind around 5 mph becoming calm in the afternoon.
Saturday Night
Increasing clouds, with a low around 30. Calm wind becoming south around 5 mph after midnight.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 46. South wind 5 to 9 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of rain before 1am. Partly cloudy, with a low around 31. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 44.
Monday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Tuesday
Rain. High near 40. Chance of precipitation is 80%.
Tuesday Night
A chance of rain before 1am. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Potomac Heights MD
 38.66°N 77.15°W (Elev. 10 ft)
Last Update:
2:43 pm EST Nov 28, 2025
Forecast Valid:
2pm EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation