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.

Mostly Cloudy

49°F

9°C

Humidity 38%
Wind Speed S 15 G 22 mph
Barometer 30.10 in (1019.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 13 Mar 11:55 am EDT
Extended Forecast for

Franconia VA

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 55. Breezy, with a south wind 17 to 21 mph, with gusts as high as 37 mph.

    High: 55 °F

    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 41. West wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. West wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. East wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 71. Breezy. Chance of precipitation is 100%.

    High: 71 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 33. Chance of precipitation is 80%.

    Low: 33 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Mostly sunny, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 55. Breezy, with a south wind 17 to 21 mph, with gusts as high as 37 mph.
Tonight
Mostly clear, with a low around 41. West wind 9 to 17 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 57. West wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 42. East wind 3 to 5 mph.
Sunday
Mostly cloudy, with a high near 61. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Showers. Low around 53. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 71. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 33. Chance of precipitation is 80%.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 43. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.79°N 77.13°W (Elev. 249 ft)
Last Update:
10:53 am EDT Mar 13, 2026
Forecast Valid:
12pm EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation