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December 9th, 2025 :: 3:32 pm CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated December 9th at 1:55 pm 
Overcast
Temperature:37°F Dew Point:32°F
Barometer:29.65 inHg Wind:N 19 Mph
Humidity:80.6% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Dec 9th
Wednesday
Dec 10th
Thursday
Dec 11th
Friday
Dec 12th
Saturday
Dec 13th
Mix of rain and snow Mix of rain and snow Cloudy Cloudy Flurries
40°F
39°F
19°F
24°F
15°F
28°F
16°F
16°F
0°F
 
 Peru Detailed Weather Forecast  
 
Tuesday, December 9th, 2025
Evening Temperature: 39°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Wednesday, December 10th, 2025
Overnight Temperature: 38°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Morning Temperature: 29°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 25°F
Mostly cloudy. Windy at times.
Evening Temperature: 20°F
A mix of cloudy and clear skies. Windy at times.
Thursday, December 11th, 2025
Overnight Temperature: 16°F
Clear.
Morning Temperature: 20°F
A mix of cloud and sun.
Afternoon Temperature: 23°F
Cloudy.
Evening Temperature: 24°F
Cloudy with a chance of flurries.
Friday, December 12th, 2025
Overnight Temperature: 22°F
Cloudy.
Morning Temperature: 26°F
Cloudy. Windy at times.
Afternoon Temperature: 26°F
Cloudy. Windy at times.
Evening Temperature: 19°F
Cloudy. Windy at times.
Saturday, December 13th, 2025
Overnight Temperature: 15°F
Cloudy with a chance of flurries.
Morning Temperature: 14°F
Cloudy with flurries likely.
Afternoon Temperature: 8°F
Mostly sunny with a chance of flurries.
Evening Temperature: 3°F
Clear with cloudy periods. Windy at times.
Sunday, December 14th, 2025
Overnight Temperature: -3°F
Clear. Windy at times.
Morning Temperature: 3°F
Sunny. Windy at times.
Afternoon Temperature: 0°F
Sunny.
Evening Temperature: 0°F
Cloudy.
Monday, December 15th, 2025
Overnight Temperature: 6°F
Cloudy.
Morning Temperature: 13°F
Cloudy with sunny periods.
Afternoon Temperature: 8°F
A mix of cloud and sun.
Evening Temperature: 6°F
A mix of cloudy and clear skies.
Tuesday, December 16th, 2025
Overnight Temperature: 7°F
Clear with cloudy periods.
Morning Temperature: 23°F
Cloudy. Windy at times.
Afternoon Temperature: 24°F
A mix of cloud and sun.
Evening Temperature: 31°F
Cloudy. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 34°F
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy at times.
Morning Temperature: 35°F
Cloudy. Windy at times.
Afternoon Temperature: 35°F
Cloudy. Windy at times.
Evening Temperature: 31°F
Mostly clear. Windy at times.





 

  [ Local Weather Report ]
La Salle, IL 
1:55 PM  37°F
Overcast
 
Oglesby, IL 
1:55 PM  37°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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