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September 19th, 2025 :: 4:37 am CDT   

Local Weather Report for
Knoxville
Illinois, United States

 Current Knoxville Weather Conditions Updated September 19th at 3:55 am 
Temperature:64°F Dew Point:61°F
Barometer:30.04 inHg Wind:calm
Humidity:88.1% Visibility:0M
 
 Knoxville Weather Forecast Summary  
 
Today
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Tuesday
Sep 23rd
Thundershowers Cloudy Cloudy Cloudy Cloudy
84°F
79°F
62°F
84°F
62°F
82°F
61°F
84°F
63°F
 
 Knoxville Detailed Weather Forecast  
 
Friday, September 19th, 2025
Morning Temperature: 79°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 78°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 65°F
Clear with cloudy periods with showers likely. Slight chance of a thunderstorm.
Saturday, September 20th, 2025
Overnight Temperature: 63°F
Cloudy with a slight chance of showers.
Morning Temperature: 75°F
Cloudy with a slight chance of showers.
Afternoon Temperature: 70°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 62°F
Cloudy with a chance of showers.
Sunday, September 21st, 2025
Overnight Temperature: 63°F
Cloudy.
Morning Temperature: 74°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 77°F
A mix of cloud and sun with a chance of showers or thundershowers.
Evening Temperature: 65°F
A mix of clear and cloudy skies with a chance of showers.
Monday, September 22nd, 2025
Overnight Temperature: 62°F
Clear with cloudy periods with a chance of showers.
Morning Temperature: 77°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 77°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 66°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Tuesday, September 23rd, 2025
Overnight Temperature: 63°F
A mix of cloudy and clear skies.
Morning Temperature: 79°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 80°F
Cloudy. Chance of a thunderstorm.
Evening Temperature: 66°F
A mix of cloudy and clear skies with a chance of showers. Windy at times.
Wednesday, September 24th, 2025
Overnight Temperature: 62°F
Cloudy.
Morning Temperature: 76°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 77°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 65°F
Cloudy with a chance of showers. Windy at times.
Thursday, September 25th, 2025
Overnight Temperature: 63°F
Cloudy. Windy at times.
Morning Temperature: 72°F
Cloudy. Windy at times.
Afternoon Temperature: 72°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 55°F
Clear.
Friday, September 26th, 2025
Overnight Temperature: 51°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 71°F
A mix of cloud and sun.
Evening Temperature: 58°F
Cloudy.
Saturday, September 27th, 2025
Overnight Temperature: 56°F
Cloudy.
Morning Temperature: 70°F
Cloudy.
Afternoon Temperature: 71°F
A mix of cloud and sun.
Evening Temperature: 56°F
Clear.





 

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This WeatherCity Weather Forecast for Knoxville, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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