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

26°F

-3°C

Humidity 36%
Wind Speed NW 5 mph
Barometer 30.27 in (1025.4 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 9 Dec 1:55 am EST
Extended Forecast for

Franconia VA

  • Overnight

    Overnight: Mostly clear, with a low around 20. Light north wind.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. South wind around 9 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 47. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Light north wind.
Tuesday
Sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 30. South wind around 9 mph.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 47. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 34. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 40.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.77°N 77.13°W (Elev. 102 ft)
Last Update:
12:53 am EST Dec 9, 2025
Forecast Valid:
2am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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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