National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fog/Mist

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.14 in (1021.0 mb)
Dewpoint 28°F (-2°C)
Visibility 0.75 mi
Last update 7 Dec 8:55 am EST
Extended Forecast for

Franconia VA

Freezing Fog Advisory December 7, 09:42am until December 7, 10:00am
Click here for hazard details and duration
...
  •  
    Freezing Fog Advisory December 7, 09:42am until December 7, 10:00am

    NOW until 10:00am Sun

    Freezing Fog Advisory

  • Today

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Light and variable wind becoming north 8 to 13 mph after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 33. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. North wind 3 to 7 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 28. Light and variable wind becoming north 8 to 13 mph after midnight.
Monday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 33. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 18. North wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 37. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 33.
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 77.16°W (Elev. 197 ft)
Last Update:
6:52 am EST Dec 7, 2025
Forecast Valid:
9am EST Dec 7, 2025-6pm EST Dec 13, 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