Knoxville Weather Forecast
- 65
- 90
Becoming Sunny
- 66
- 91
Mostly Sunny
- 70
- 94
Mostly Sunny
- 70
- 93
Slight Chance Thunderstorms
- 70
- 91
Slight Chance Thunderstorms
- 69
- 90
Chance Rain Showers
Today 16 Sep Crawford
Sunny. Highs around 90. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 16 Sep Crawford
Clear. Lows in the mid 60s. Light east Winds.
Knoxville Temperature Statistics
September Temperature
Butler Municipal Airport (18 miles)
Lowest 9 September, 2026
67.6 °FAverage September
80.1 °FHighest 6 September, 2026
96.1 °F
Climate (2021–2026)
Butler Municipal Airport (18 miles)
Average Low 2021–2026
55.5 °FAverage 2021–2026
65.3 °FAverage High 2021–2026
76.2 °F