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

Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

70°F

21°C

Humidity 44%
Wind Speed W 9 mph
Barometer 29.71 in (1006.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 18 May 4:55 am EDT
Extended Forecast for

Lorton VA

  • Today

    Today: Sunny, with a high near 78. West wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. North wind 6 to 8 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Northwest wind around 6 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 2am. Low around 56. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 78. West wind 7 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 78. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 53. North wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 72. Northwest wind around 6 mph.
Tuesday Night
Showers, mainly after 2am. Low around 57. Chance of precipitation is 80%.
Wednesday
Showers. High near 64. Chance of precipitation is 90%.
Wednesday Night
Showers, mainly before 2am. Low around 56. Chance of precipitation is 90%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly clear, with a low around 52. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 71.
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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:
4:30 am EDT May 18, 2025
Forecast Valid:
5am EDT May 18, 2025-6pm EDT May 24, 2025
 
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