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September 18th, 2025 :: 12:34 am CDT   

Local Weather Report for
Chillicothe
Illinois, United States

 Current Chillicothe Weather Conditions Updated September 17th at 10:55 pm 
Temperature:63°F Dew Point:55°F
Barometer:30.04 inHg Wind:calm
Humidity:77.3% Visibility:0M
 
 Chillicothe Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Mix of Cloud and Sun Cloudy Showers Cloudy Showers
92°F
89°F
65°F
84°F
64°F
86°F
62°F
90°F
64°F
 
 Chillicothe Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Overnight Temperature: 62°F
Clear.
Morning Temperature: 85°F
Sunny.
Afternoon Temperature: 87°F
A mix of cloud and sun.
Evening Temperature: 70°F
A mix of cloudy and clear skies.
Friday, September 19th, 2025
Overnight Temperature: 65°F
Cloudy.
Morning Temperature: 84°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Afternoon Temperature: 78°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Evening Temperature: 66°F
Cloudy with a slight chance of showers.
Saturday, September 20th, 2025
Overnight Temperature: 65°F
Cloudy.
Morning Temperature: 80°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 74°F
Cloudy with showers likely. Slight chance of a thunderstorm.
Evening Temperature: 66°F
Clear with cloudy periods with a chance of showers.
Sunday, September 21st, 2025
Overnight Temperature: 64°F
Cloudy.
Morning Temperature: 80°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 82°F
Cloudy.
Evening Temperature: 72°F
Clear.
Monday, September 22nd, 2025
Overnight Temperature: 65°F
A mix of cloudy and clear skies.
Morning Temperature: 84°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 83°F
Cloudy. Slight chance of a thunderstorm. Windy.
Evening Temperature: 69°F
Cloudy with showers likely. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 64°F
Cloudy with a few showers. Windy at times.
Morning Temperature: 70°F
Sunny. Windy at times.
Afternoon Temperature: 73°F
A mix of cloud and sun.
Evening Temperature: 62°F
Clear.
Wednesday, September 24th, 2025
Overnight Temperature: 59°F
Clear. Windy at times.
Morning Temperature: 78°F
Sunny. Windy at times.
Afternoon Temperature: 78°F
Sunny. Windy at times.
Evening Temperature: 64°F
Clear with cloudy periods.
Thursday, September 25th, 2025
Overnight Temperature: 62°F
Clear with cloudy periods.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 82°F
Sunny.
Evening Temperature: 66°F
Clear.





 

  [ Local Weather Report ]
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This WeatherCity Weather Forecast for Chillicothe, 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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