Hazardous Weather Conditions
Current conditions at
Fort Belvoir (KDAA)
Lat: 38.72°NLon: 77.18°WElev: 69ft.
Thunderstorm Rain
74°F
23°C
| Humidity | 91% |
| Wind Speed | W 8 mph |
| Barometer | 29.88 in (1012.1 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 22 Aug 10:55 pm EDT |
Extended Forecast for
Mount Vernon VA
Tonight
Low: 68 °F
Showers
LikelySunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 85 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 70 °F
Slight Chance
Showers
Detailed Forecast
Tonight
Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 2am, then scattered showers after 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 86. West wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 64. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 63. Light northwest wind.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
10:53 pm EDT Aug 22, 2026
11pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
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