


Hazardous Weather Conditions
Current conditions at
Fort Belvoir (KDAA)
Lat: 38.72°NLon: 77.18°WElev: 69ft.
A Few Clouds
80°F
27°C
Humidity | 83% |
Wind Speed | Calm |
Barometer | 30.07 in (1018.5 mb) |
Dewpoint | 74°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 85°F (29°C) |
Last update | 15 Jul 8:55 am EDT |
Extended Forecast for
Lorton VA
Today
High: 89 °F
Partly Sunny
then Chance
T-stormsTonight
Low: 74 °F
Chance
T-storms then
Partly CloudyWednesday
High: 90 °F
Chance
T-storms then
T-storms
LikelyWednesday Night
Low: 76 °F
T-storms
Likely then
Slight Chance
T-stormsThursday
High: 94 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 77 °F
Chance
T-storms then
Partly CloudyFriday
High: 91 °F
Mostly Sunny
then Showers
LikelyFriday Night
Low: 73 °F
Showers
Likely then
Chance
T-stormsSaturday
High: 87 °F
Partly Sunny
then Chance
T-storms
Detailed Forecast
Today
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 90. Heat index values as high as 103. South wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Southwest wind around 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lorton VA
38.71°N 77.23°W (Elev. 125 ft)
38.71°N 77.23°W (Elev. 125 ft)
9:25 am EDT Jul 15, 2025
9am EDT Jul 15, 2025-6pm EDT Jul 21, 2025