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

Isolated Severe Thunderstorms and Critical Fire Weather Tuesday

Isolated severe thunderstorms with strong wind gusts and hail will be possible Tuesday from parts of central Plains northeastward into the Midwest. Additional storms capable of damaging winds will be possible across the eastern Florida peninsula. Elevated to critical fire weather including gusty winds and low relative humidity is forecast again Tuesday over much of the northern Great Plains. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

50°F

10°C

Humidity 91%
Wind Speed Calm
Barometer 30.12 in (1020.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 11 May 8:55 pm EDT
Extended Forecast for

Lorton VA

  • Tonight

    Tonight: Mostly clear, with a low around 44. Light and variable wind becoming west around 5 mph after midnight.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. North wind around 5 mph becoming light and variable.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 5pm. Increasing clouds, with a high near 75. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 52. South wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Light and variable wind becoming west around 5 mph after midnight.
Tuesday
Sunny, with a high near 73. North wind around 5 mph becoming light and variable.
Tuesday Night
Partly cloudy, with a low around 55. South wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 5pm. Increasing clouds, with a high near 75. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 52. South wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 91.
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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:
7:54 pm EDT May 11, 2026
Forecast Valid:
9pm EDT May 11, 2026-6pm EDT May 18, 2026
 
Forecast Discussion
 
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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