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December 12th, 2025 :: 11:30 pm CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated December 12th at 9:55 pm 
Overcast
Temperature:28°F Dew Point:25°F
Barometer:30.09 inHg Wind:N 26 Mph
Humidity:86.1% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Dec 12th
Saturday
Dec 13th
Sunday
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Cloudy Cloudy Mix of Cloud and Sun Cloudy Cloudy
28°F
10°F
-1°F
9°F
-4°F
26°F
3°F
36°F
14°F
 
 Peru Detailed Weather Forecast  
 
Saturday, December 13th, 2025
Overnight Temperature: 9°F
Cloudy. Windy at times.
Morning Temperature: 9°F
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: 7°F
A mix of cloud and sun with a chance of flurries. Windy at times.
Evening Temperature: 1°F
Clear. Windy at times.
Sunday, December 14th, 2025
Overnight Temperature: -4°F
Clear. Windy at times.
Morning Temperature: 4°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 5°F
A mix of cloud and sun.
Evening Temperature: 5°F
Clear with cloudy periods.
Monday, December 15th, 2025
Overnight Temperature: 4°F
Cloudy. Windy at times.
Morning Temperature: 19°F
Cloudy. Windy.
Afternoon Temperature: 19°F
Sunny.
Evening Temperature: 16°F
Cloudy.
Tuesday, December 16th, 2025
Overnight Temperature: 15°F
Cloudy.
Morning Temperature: 28°F
Cloudy. Windy at times.
Afternoon Temperature: 33°F
Cloudy. Windy at times.
Evening Temperature: 36°F
Cloudy. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 36°F
Cloudy. Windy at times.
Morning Temperature: 40°F
Cloudy. Windy at times.
Afternoon Temperature: 46°F
Cloudy. Windy at times.
Evening Temperature: 49°F
Cloudy. Windy.
Thursday, December 18th, 2025
Overnight Temperature: 45°F
Cloudy. Windy at times.
Morning Temperature: 45°F
A mix of cloud and sun.
Afternoon Temperature: 41°F
Sunny.
Evening Temperature: 39°F
A mix of cloudy and clear skies.
Friday, December 19th, 2025
Overnight Temperature: 38°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Morning Temperature: 38°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 36°F
Cloudy.
Evening Temperature: 34°F
Cloudy. Windy at times.
Saturday, December 20th, 2025
Overnight Temperature: 34°F
Cloudy. Windy at times.
Morning Temperature: 39°F
Cloudy. Windy at times.
Afternoon Temperature: 41°F
Cloudy.
Evening Temperature: 40°F
Cloudy.





 

  [ Local Weather Report ]
La Salle, IL 
9:55 PM  28°F
Overcast
 
Oglesby, IL 
9:55 PM  28°F
Overcast
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
 
Chillicothe, IL 

 
This WeatherCity Weather Forecast for Peru, 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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