Mount Vernon Weather Forecast
- 69
- 92
Rain Showers
- 68
- 83
Rain Showers
- 68
- 85
Thunderstorms
- 68
- 88
Mostly Sunny
- 73
- 91
Mostly Sunny
- 76
- 98
Slight Chance Thunderstorms
Today 26 Jun Charles
Partly sunny. Numerous Showers and scattered Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 70 percent.
Tonight 26 Jun Charles
Numerous Showers. Scattered Thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 70 percent.
Mount Vernon Temperature Statistics
June Temperature
Fort Belvoir (3.7 miles)
Lowest 3 June, 2026
49.5 °FAverage June
75 °FHighest 12 June, 2026
98.2 °F
Climate (2021–2026)
Fort Belvoir (3.7 miles)
Average Low 2021–2026
47.7 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
68.3 °F