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

45°F

7°C

Humidity 44%
Wind Speed Calm
Barometer 30.05 in (1017.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 3 Dec 1:55 pm EST
Extended Forecast for

Franconia VA

  • This Afternoon

    This Afternoon: Sunny early, then becoming partly sunny, with a high near 45. Light west wind.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Light and variable wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 35. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 10pm, then a chance of snow and freezing rain between 10pm and 1am, then a slight chance of freezing rain after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny early, then becoming partly sunny, with a high near 45. Light west wind.
Tonight
Partly cloudy, with a low around 28. Light and variable wind.
Thursday
Mostly sunny, with a high near 43. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 24. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
A chance of snow. Cloudy, with a high near 35. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of snow before 10pm, then a chance of snow and freezing rain between 10pm and 1am, then a slight chance of freezing rain after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.79°N 77.16°W (Elev. 200 ft)
Last Update:
2:39 pm EST Dec 3, 2025
Forecast Valid:
2pm EST Dec 3, 2025-6pm EST Dec 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation