Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

88°F

31°C

Humidity 43%
Wind Speed W 5 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 19 Aug 4:55 pm EDT
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Partly cloudy, with a low around 71. West wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Increasing clouds, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am.  Mostly cloudy, with a low around 68. Light north wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A chance of showers after 2pm.  Partly sunny, with a high near 82. Northeast wind around 6 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 8pm.  Mostly cloudy, with a low around 68. Light east wind.  Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Mostly cloudy, with a low around 68. Light north wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 82. Northeast wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 68. Light east wind. Chance of precipitation is 70%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
4:53 pm EDT Aug 19, 2026
5pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
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