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June 21st, 2026 :: 4:44 pm CDT   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated June 21st at 4:03 pm 
light rain
Temperature:59°F Dew Point:57°F
Barometer:29.8 inHg Wind:N 39 Mph
Humidity:93.7% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Jun 21st
Monday
Jun 22nd
Tuesday
Jun 23rd
Wednesday
Jun 24th
Thursday
Jun 25th
Rain Mostly Sunny Mostly Sunny Mix of Sun and Cloud Mostly Sunny
63°F
73°F
56°F
74°F
52°F
75°F
57°F
74°F
61°F
 
 Peru Detailed Weather Forecast  
 
Sunday, June 21st, 2026
Evening Temperature: 57°F
Cloudy with clear periods with periods of rain. Windy.
Monday, June 22nd, 2026
Overnight Temperature: 57°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 61°F
Mostly sunny. Windy at times.
Afternoon Temperature: 72°F
Mostly sunny. Windy at times.
Evening Temperature: 63°F
Clear.
Tuesday, June 23rd, 2026
Overnight Temperature: 53°F
Clear.
Morning Temperature: 61°F
Sunny with cloudy periods.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 66°F
Mostly clear.
Wednesday, June 24th, 2026
Overnight Temperature: 58°F
Clear with cloudy periods.
Morning Temperature: 65°F
A mix of cloud and sun.
Afternoon Temperature: 75°F
A mix of sun and cloud with a chance of showers or thundershowers.
Evening Temperature: 68°F
Clear with a chance of showers or thundershowers.
Thursday, June 25th, 2026
Overnight Temperature: 62°F
Mostly clear.
Morning Temperature: 66°F
Sunny.
Afternoon Temperature: 73°F
Mostly sunny. Windy at times.
Evening Temperature: 66°F
Clear.
Friday, June 26th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 65°F
Mostly sunny.
Afternoon Temperature: 68°F
Cloudy with showers. Windy at times.
Evening Temperature: 65°F
Mostly cloudy with a few showers. Windy at times.
Saturday, June 27th, 2026
Overnight Temperature: 62°F
A mix of cloudy and clear skies with a chance of showers. Windy at times.
Morning Temperature: 64°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 70°F
A mix of cloud and sun.
Evening Temperature: 66°F
Clear with cloudy periods.
Sunday, June 28th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 67°F
Mostly sunny. Windy at times.
Afternoon Temperature: 80°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Monday, June 29th, 2026
Overnight Temperature: 70°F
Mostly clear. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 77°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 78°F
Mostly clear. Chance of a thunderstorm. Windy at times.





 

  [ Local Weather Report ]
La Salle, IL 
4:03 PM  59°F
light rain
 
Oglesby, IL 
4:03 PM  59°F
light rain
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
3:55 PM  59°F
moderate rain
 
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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