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

80°F

27°C

Humidity 43%
Wind Speed Calm
Barometer 29.87 in (1011.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Apr 8:55 pm EDT
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Partly cloudy, with a low around 69. Southwest wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 84. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. North wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 92. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
A chance of showers, mainly after 2am. Partly cloudy, with a low around 69. Southwest wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 84. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
7:53 pm EDT Apr 15, 2026
Forecast Valid:
9pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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