Mount Vernon Weather Forecast
- 48
- 74
Mostly Sunny
- 47
- 75
Increasing Clouds
- 41
- 68
Mostly Sunny
- 47
- 66
Mostly Cloudy
- 49
- 70
Chance Rain Showers
- 51
- 70
Mostly Cloudy
- 53
- 71
Chance Rain Showers
Today 28 Oct Knox
Partly sunny with a 40 percent chance of Showers. Highs in the upper 60s.
Tonight 28 Oct Knox
Clear. Lows in the upper 40s. South Winds around 5 Mph.
Mount Vernon Temperature Statistics
October Temperature
Knox County Airfield (4.3 miles)
Lowest 18 October, 2026
32 °FAverage October
57.4 °FHighest 13 October, 2026
86 °F
Climate (2021–2026)
Knox County Airfield (4.3 miles)
Average Low 2021–2026
43.3 °FAverage 2021–2026
52.3 °FAverage High 2021–2026
61.7 °F