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

35°F

2°C

Humidity 51%
Wind Speed Calm
Barometer 30.27 in (1025.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 12 Jan 5:55 am EST
Extended Forecast for

Franconia VA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 46. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 46 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Southwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 52. Southwest wind around 7 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 46. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 30. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 49. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 39. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 52. Southwest wind around 7 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.77°N 77.16°W (Elev. 197 ft)
Last Update:
3:53 am EST Jan 12, 2026
Forecast Valid:
6am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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