Knoxville Weather Forecast
- 54
- 77
Mostly Sunny
- 55
- 80
Mostly Sunny
- 57
- 82
Mostly Sunny
- 57
- 84
Mostly Sunny
- 58
- 86
Mostly Sunny
Today 7 Sep Knox
Sunny. Highs in the mid 70s. North Winds 10 Mph or less.
Tonight 7 Sep Knox
Mostly clear. Lows in the mid 50s. Light Winds.
Knoxville Temperature Statistics
September Temperature
Knoxville, McGhee Tyson Airport (9.9 miles)
Lowest 1 September, 2025
63 °FAverage September
69.6 °FHighest 3 September, 2025
81 °F
Climate (2020–Present)
Knoxville, McGhee Tyson Airport (9.9 miles)
Average Low 2020–2025
51 °FAverage 2020–2025
60.6 °FAverage High 2020–2025
71.1 °F