Mount Vernon Weather Forecast
- 70
- 90
Sunny
- 71
- 95
Mostly Sunny
- 69
- 93
Mostly Sunny
- 70
- 92
Chance Thunderstorms
- 68
- 88
Rain Showers Likely
- 63
- 84
Chance Thunderstorms
Today 14 Jul Knox
Sunny, hot with Highs in the lower 90s. West Winds around 5 Mph.
Tonight 14 Jul Knox
Clear with Lows around 70. West Winds around 5 Mph.
Mount Vernon Temperature Statistics
July Temperature
Knox County Airfield (4.3 miles)
Lowest 6 July, 2026
66.2 °FAverage July
77.3 °FHighest 1 July, 2026
93.2 °F
Climate (2021–2026)
Knox County Airfield (4.3 miles)
Average Low 2021–2026
43.4 °FAverage 2021–2026
52.3 °FAverage High 2021–2026
61.7 °F