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

70°F

21°C

Humidity 38%
Wind Speed NW 8 mph
Barometer 29.87 in (1011.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 1:55 pm EDT
Extended Forecast for

4 Miles SW Fort Belvoir VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. North wind around 6 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. East wind around 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. South wind 6 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 53. Southwest wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then a slight chance of rain between 8am and 2pm. Mostly sunny, with a high near 61. North wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. North wind around 6 mph.
Tonight
Partly cloudy, with a low around 48. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 84. South wind 6 to 10 mph.
Sunday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 53. Southwest wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 8am, then a slight chance of rain between 8am and 2pm. Mostly sunny, with a high near 61. North wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 67.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 62. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Fort Belvoir VA
 38.66°N 77.18°W (Elev. 59 ft)
Last Update:
2:23 pm EDT Mar 21, 2026
Forecast Valid:
2pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation