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

70°F

21°C

Humidity 54%
Wind Speed S 10 G 17 mph
Barometer 29.81 in (1009.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 6 May 2:55 am EDT
Extended Forecast for

Lorton VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. South wind around 14 mph, with gusts as high as 26 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 78. South wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely. Cloudy, with a low around 52. North wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers between noon and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 62. North wind 5 to 8 mph. Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Northwest wind 3 to 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers before 2pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. South wind around 14 mph, with gusts as high as 26 mph.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 78. South wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely. Cloudy, with a low around 52. North wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers between noon and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 62. North wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 47. Northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 52.
Saturday
A chance of showers before 2pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lorton VA
 38.71°N 77.23°W (Elev. 125 ft)
Last Update:
2:23 am EDT May 6, 2026
Forecast Valid:
3am EDT May 6, 2026-6pm EDT May 12, 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