Knoxville Weather Radar East Tennessee & Knoxville Weather Forecast 7 Day Forecast Hourly Forecast Day Night UV Index Humidity Close Details Close Details 7 Day Forecast Friday 92° / 67° Sunny Sunny 0% 92° 67° Saturday 89° / 68° Isolated Thunderstorms Isolated Thunderstorms 30% 89° 68° Sunday 84° / 63° PM Thunderstorms PM Thunderstorms 60% 84° 63° Monday 74° / 60° Spotty Thunderstorms Spotty Thunderstorms 40% 74° 60° Tuesday 81° / 63° Scattered Thunderstorms Scattered Thunderstorms 40% 81° 63° Wednesday 83° / 63° Scattered Thunderstorms Scattered Thunderstorms 40% 83° 63° Thursday 79° / 56° AM Showers AM Showers 30% 79° 56° Humidity Close Details Close Details Hourly Forecast 69° 7 AM Sunny 0% 69° 71° 8 AM Sunny 0% 71° 75° 9 AM Sunny 0% 75° 77° 10 AM Sunny 0% 77° 81° 11 AM Sunny 0% 81° 84° 12 PM Sunny 0% 84° 86° 1 PM Sunny 0% 86° 88° 2 PM Sunny 0% 88° 89° 3 PM Sunny 0% 89° 91° 4 PM Sunny 0% 91° 92° 5 PM Sunny 0% 92° 90° 6 PM Sunny 0% 90° 87° 7 PM Sunny 0% 87° 85° 8 PM Sunny 0% 85° 80° 9 PM Clear 0% 80° 78° 10 PM Clear 0% 78° 75° 11 PM Clear 0% 75° 74° 12 AM Clear 0% 74° 73° 1 AM Clear 0% 73° 72° 2 AM Mostly Clear 0% 72° 71° 3 AM Partly Cloudy 0% 71° 70° 4 AM Partly Cloudy 0% 70° 68° 5 AM Partly Cloudy 0% 68° 67° 6 AM Mostly Clear 0% 67°