Mount Vernon Weather Forecast
- 54
- 74
Mostly Sunny
- 56
- 77
Chance Rain Showers
- 61
- 79
Rain
- 56
- 76
Chance Thunderstorms
- 56
- 76
Partly Sunny
- 58
- 77
Slight Chance Thunderstorms
- 58
- 77
Chance Thunderstorms
Today 19 Jun Knox
Mostly sunny. Highs in the mid 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 19 Jun Knox
Mostly clear. Lows in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.
Mount Vernon Temperature Statistics
June Temperature
Knox County Airfield (4.3 miles)
Lowest 3 June, 2026
48.2 °FAverage June
70 °FHighest 10 June, 2026
87.8 °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