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

37°F

3°C

Humidity 73%
Wind Speed Calm
Barometer 30.21 in (1023.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 28 Dec 3:55 am EST
Extended Forecast for

Franconia VA

  • Today

    Today: A slight chance of rain between noon and 3pm. Cloudy, with a high near 44. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: Cloudy, with a temperature rising to around 50 by 5am. South wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 41 °F⇑

    Cloudy

  • Monday

    Monday: A chance of rain, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 63. Breezy, with a southwest wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Breezy, with a west wind 17 to 20 mph, with gusts as high as 38 mph.

    Low: 27 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Breezy, with a west wind 18 to 21 mph, with gusts as high as 37 mph.

    High: 36 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of rain between noon and 3pm. Cloudy, with a high near 44. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Cloudy, with a temperature rising to around 50 by 5am. South wind 10 to 14 mph, with gusts as high as 26 mph.
Monday
A chance of rain, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 63. Breezy, with a southwest wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 27. Breezy, with a west wind 17 to 20 mph, with gusts as high as 38 mph.
Tuesday
Mostly sunny, with a high near 36. Breezy, with a west wind 18 to 21 mph, with gusts as high as 37 mph.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 29.
New Year's Day
Mostly cloudy, with a high near 41.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.79°N 77.13°W (Elev. 249 ft)
Last Update:
3:54 am EST Dec 28, 2025
Forecast Valid:
4am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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