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

59°F

15°C

Humidity 16%
Wind Speed W 16 G 22 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 14 Mar 12:55 pm EDT
Extended Forecast for

Annandale VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 57. West wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 53. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. Breezy, with a south wind 15 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.

    High: 72 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 30. Chance of precipitation is 80%.

    Low: 30 °F

    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 57. West wind 11 to 13 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 59. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers. Low around 53. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. Breezy, with a south wind 15 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 30. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
10:53 am EDT Mar 14, 2026
Forecast Valid:
1pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation