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August 26th, 2025 :: 4:00 pm CDT   

Local Weather Report for
Marengo
Illinois, United States

 Marengo Weather Forecast Summary  
 
Today
Aug 26th
Wednesday
Aug 27th
Thursday
Aug 28th
Friday
Aug 29th
Saturday
Aug 30th
Cloudy Cloudy Showers Cloudy Cloudy
68°F
70°F
50°F
71°F
51°F
70°F
49°F
74°F
52°F
 
 Marengo Detailed Weather Forecast  
 
Tuesday, August 26th, 2025
Evening Temperature: 57°F
Clear.
Wednesday, August 27th, 2025
Overnight Temperature: 51°F
Clear.
Morning Temperature: 67°F
Cloudy. Windy at times.
Afternoon Temperature: 67°F
Cloudy.
Evening Temperature: 63°F
Cloudy.
Thursday, August 28th, 2025
Overnight Temperature: 59°F
Cloudy.
Morning Temperature: 65°F
Cloudy.
Afternoon Temperature: 67°F
Sunny with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 53°F
Mostly clear. Windy at times.
Friday, August 29th, 2025
Overnight Temperature: 49°F
Mostly clear.
Morning Temperature: 67°F
Sunny.
Afternoon Temperature: 65°F
Cloudy.
Evening Temperature: 51°F
Clear.
Saturday, August 30th, 2025
Overnight Temperature: 52°F
Cloudy.
Morning Temperature: 68°F
Cloudy.
Afternoon Temperature: 70°F
Cloudy.
Evening Temperature: 59°F
Clear.
Sunday, August 31st, 2025
Overnight Temperature: 55°F
Cloudy.
Morning Temperature: 71°F
Cloudy.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 67°F
Cloudy.
Monday, September 1st, 2025
Overnight Temperature: 63°F
Cloudy.
Morning Temperature: 73°F
Cloudy.
Afternoon Temperature: 72°F
Cloudy. Windy at times.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Tuesday, September 2nd, 2025
Overnight Temperature: 62°F
Cloudy with a chance of showers.
Morning Temperature: 74°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 81°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
Cloudy with a chance of showers. Windy at times.
Wednesday, September 3rd, 2025
Overnight Temperature: 67°F
Cloudy. Windy at times.
Morning Temperature: 79°F
Cloudy. Chance of a thunderstorm. Windy.
Afternoon Temperature: 79°F
Cloudy with a slight chance of showers or thundershowers. Windy.
Evening Temperature: 67°F
Cloudy with showers likely. Windy.





 

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This WeatherCity Weather Forecast for Marengo, 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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