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Today Hourly 7 days 30 days September
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September 2025 Weather | Knoxville, Tennessee
Today 9/4
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 81°
Night 64°
87
Fri 9/5
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 90°
Night 66°
3
Sat 9/6
Stormy WeatherStormy weather, thunderstorms.
Day 79°
Night 61°
88
Sun 9/7
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 52°
1
Mon 9/8
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 75°
Night 55°
1
Tue 9/9
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 55°
1
Wed 9/10
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 79°
Night 55°
1
Thu 9/11
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 55°
0
Fri 9/12
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 57°
1
Sat 9/13
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 57°
0
Sun 9/14
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 57°
1
Mon 9/15
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 57°
0
Tue 9/16
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 61°
0
Wed 9/17
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 84°
Night 59°
25
Thu 9/18
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 81°
Night 61°
58
Fri 9/19
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 79°
Night 63°
25
Sat 9/20
Stormy WeatherStormy weather, thunderstorms.
Day 81°
Night 63°
65
Sun 9/21
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 77°
Night 59°
25
Mon 9/22
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 75°
Night 55°
25
Tue 9/23
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 75°
Night 54°
10
Wed 9/24
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 52°
20
Thu 9/25
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 75°
Night 54°
20
Fri 9/26
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 77°
Night 55°
5
Sat 9/27
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 57°
5
Sun 9/28
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 59°
25
Mon 9/29
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 59°
25
Tue 9/30
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 57°
5