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

55°F

13°C

Humidity 34%
Wind Speed SW 5 mph
Barometer 29.80 in (1009.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 14 Mar 12:55 am EDT
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: Mostly clear, with a low around 43. Southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. West wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. North wind around 5 mph becoming light and variable.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Southeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    Low: 52 °F

    Rain

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.

    High: 69 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 31. Breezy. Chance of precipitation is 80%.

    Low: 31 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Southwest wind around 11 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 56. West wind 10 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 40. North wind around 5 mph becoming light and variable.
Sunday
Mostly cloudy, with a high near 58. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Rain. Low around 52. Southeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 31. Breezy. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.18°W (Elev. 374 ft)
Last Update:
10:53 pm EDT Mar 13, 2026
Forecast Valid:
1am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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