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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

62°F

17°C

Humidity 89%
Wind Speed Calm
Barometer 30.13 in (1020.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Oct 4:55 pm EDT
Extended Forecast for

Lorton VA

  • This Afternoon

    This Afternoon: A slight chance of showers. Cloudy, with a high near 69. East wind around 5 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 1am, then a slight chance of showers after 2am. Patchy fog after 5am. Otherwise, cloudy, with a low around 59. East wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers between 7am and 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms before 3am, then showers likely. Low around 50. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 56. North wind around 17 mph, with gusts as high as 29 mph.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers. Cloudy, with a high near 69. East wind around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of showers before 1am, then a slight chance of showers after 2am. Patchy fog after 5am. Otherwise, cloudy, with a low around 59. East wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
A chance of showers between 7am and 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms before 3am, then showers likely. Low around 50. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Partly sunny, with a high near 56. North wind around 17 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lorton VA
 38.71°N 77.23°W (Elev. 125 ft)
Last Update:
4:53 pm EDT Oct 15, 2026
Forecast Valid:
5pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation