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.

Fog/Mist

33°F

1°C

Humidity 96%
Wind Speed Calm
Barometer 29.65 in (1004.4 mb)
Dewpoint 32°F (0°C)
Visibility 1.50 mi
Last update 7 Jan 12:55 am EST
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 43. Southwest wind around 6 mph.

    Low: 43 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Northwest wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Southeast wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 43. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 57. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 35. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 41. Southeast wind around 6 mph.
Friday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
Rain. High near 65. Chance of precipitation is 90%.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
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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:
12:53 am EST Jan 7, 2026
Forecast Valid:
1am EST Jan 7, 2026-6pm EST Jan 13, 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