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

62°F

17°C

Humidity 78%
Wind Speed Calm
Barometer 29.99 in (1015.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Jun 4:55 am EDT
Extended Forecast for

Annandale VA

  • Today

    Today: Sunny, with a high near 81. Northwest wind around 9 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 2pm. Mostly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. South wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Southwest wind 3 to 5 mph. Chance of precipitation is 60%.

    High: 89 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Northwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 60. South wind 3 to 6 mph.
Thursday
A slight chance of showers after 2pm. Mostly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. South wind 5 to 8 mph. Chance of precipitation is 20%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Southwest wind 3 to 5 mph. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 68. Chance of precipitation is 80%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
Last Update:
4:52 am EDT Jun 24, 2026
Forecast Valid:
5am EDT Jun 24, 2026-6pm EDT Jun 30, 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