Hazardous Weather Conditions
Current conditions at
Fort Belvoir (KDAA)
Lat: 38.72°NLon: 77.18°WElev: 69ft.
Fair
83°F
28°C
| Humidity | 25% |
| Wind Speed | S 6 mph |
| Barometer | 29.57 in (1001.6 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 22 Mar 6:55 pm EDT |
Extended Forecast for
Mount Vernon VA
Tonight
Low: 53 °F
Isolated
T-storms then
Showers
LikelyMonday
High: 61 °F
Showers then
Mostly SunnyMonday Night

Low: 34 °F
Mostly Clear
Tuesday

High: 52 °F
Mostly Sunny
Tuesday Night

Low: 38 °F
Mostly Cloudy
Wednesday

High: 63 °F
Partly Sunny
Wednesday Night

Low: 46 °F
Mostly Cloudy
Thursday

High: 68 °F
Mostly Cloudy
Thursday Night
Low: 52 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 53. South wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly before 8am. High near 61. Northwest wind 8 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 34. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 52. North wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly cloudy, with a high near 68.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 58.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon VA
38.74°N 77.11°W (Elev. 49 ft)
38.74°N 77.11°W (Elev. 49 ft)
6:35 pm EDT Mar 22, 2026
7pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026



