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.

Mostly Cloudy

35°F

2°C

Humidity 81%
Wind Speed S 10 mph
Barometer 29.77 in (1008.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 10 Dec 5:55 am EST
Extended Forecast for

Franconia VA

  • Today

    Today: A slight chance of rain before noon, then a chance of rain after 1pm. Mostly cloudy, with a high near 46. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 32. Southwest wind 9 to 11 mph becoming northwest after midnight.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. West wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. West wind 5 to 8 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 38. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain before noon, then a chance of rain after 1pm. Mostly cloudy, with a high near 46. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 32. Southwest wind 9 to 11 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 39. West wind 11 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 27. West wind 5 to 8 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 38. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.77°N 77.13°W (Elev. 102 ft)
Last Update:
3:53 am EST Dec 10, 2025
Forecast Valid:
6am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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