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January 3rd, 2026 :: 7:49 pm CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated January 3rd at 6:55 pm 
Overcast
Temperature:30°F Dew Point:16°F
Barometer:30.09 inHg Wind:N 11 Mph
Humidity:54.1% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Tuesday
Jan 6th
Wednesday
Jan 7th
Cloudy Cloudy Cloudy Cloudy Cloudy
30°F
33°F
21°F
43°F
30°F
51°F
36°F
53°F
33°F
 
 Peru Detailed Weather Forecast  
 
Saturday, January 3rd, 2026
Evening Temperature: 24°F
Clear with cloudy periods.
Sunday, January 4th, 2026
Overnight Temperature: 21°F
Clear.
Morning Temperature: 28°F
Cloudy.
Afternoon Temperature: 31°F
Cloudy.
Evening Temperature: 31°F
Cloudy. Windy at times.
Monday, January 5th, 2026
Overnight Temperature: 30°F
Cloudy. Windy at times.
Morning Temperature: 38°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy.
Evening Temperature: 37°F
Cloudy.
Tuesday, January 6th, 2026
Overnight Temperature: 36°F
A mix of cloudy and clear skies.
Morning Temperature: 45°F
Cloudy.
Afternoon Temperature: 46°F
Sunny.
Evening Temperature: 43°F
Clear. Windy at times.
Wednesday, January 7th, 2026
Overnight Temperature: 34°F
Clear.
Morning Temperature: 45°F
Sunny. Windy at times.
Afternoon Temperature: 45°F
Sunny.
Evening Temperature: 43°F
Cloudy.
Thursday, January 8th, 2026
Overnight Temperature: 40°F
Cloudy.
Morning Temperature: 48°F
Cloudy. Windy at times.
Afternoon Temperature: 48°F
Sunny with cloudy periods.
Evening Temperature: 48°F
Cloudy.
Friday, January 9th, 2026
Overnight Temperature: 50°F
Cloudy with showers likely.
Morning Temperature: 56°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 45°F
Cloudy with showers likely. Windy.
Evening Temperature: 37°F
Cloudy. Windy at times.
Saturday, January 10th, 2026
Overnight Temperature: 34°F
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy at times.
Morning Temperature: 34°F
Cloudy. Windy at times.
Afternoon Temperature: 33°F
Cloudy.
Evening Temperature: 29°F
Cloudy.
Sunday, January 11th, 2026
Overnight Temperature: 27°F
Clear.
Morning Temperature: 33°F
Cloudy. Windy at times.
Afternoon Temperature: 35°F
Cloudy. Windy at times.
Evening Temperature: 35°F
A mix of cloudy and clear skies. Windy.





 

  [ Local Weather Report ]
La Salle, IL 
6:55 PM  30°F
Overcast
 
Oglesby, IL 
6:55 PM  30°F
Overcast
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
6:55 PM  32°F
Overcast
 
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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