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August 26th, 2025 :: 12:30 pm CDT   

Local Weather Report for
Mchenry
Illinois, United States

 Mchenry Weather Forecast Summary  
 
Today
Aug 26th
Wednesday
Aug 27th
Thursday
Aug 28th
Friday
Aug 29th
Saturday
Aug 30th
Mostly Sunny Cloudy Showers Cloudy Cloudy
70°F
72°F
50°F
72°F
52°F
68°F
51°F
75°F
52°F
 
 Mchenry Detailed Weather Forecast  
 
Tuesday, August 26th, 2025
Afternoon Temperature: 67°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 53°F
Clear.
Wednesday, August 27th, 2025
Overnight Temperature: 51°F
Clear.
Morning Temperature: 68°F
Sunny. Windy at times.
Afternoon Temperature: 69°F
Cloudy. Windy at times.
Evening Temperature: 62°F
Cloudy.
Thursday, August 28th, 2025
Overnight Temperature: 60°F
Cloudy with a slight chance of showers.
Morning Temperature: 65°F
Cloudy with sunny periods with showers likely. Slight chance of a thunderstorm.
Afternoon Temperature: 66°F
A mix of cloud and sun with showers likely. Windy at times.
Evening Temperature: 54°F
Clear.
Friday, August 29th, 2025
Overnight Temperature: 52°F
Mostly clear.
Morning Temperature: 66°F
Sunny. Windy at times.
Afternoon Temperature: 65°F
Cloudy.
Evening Temperature: 51°F
A mix of clear and cloudy skies.
Saturday, August 30th, 2025
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 70°F
Cloudy.
Afternoon Temperature: 71°F
A mix of sun and cloud.
Evening Temperature: 58°F
A mix of cloudy and clear skies.
Sunday, August 31st, 2025
Overnight Temperature: 58°F
Cloudy.
Morning Temperature: 70°F
Cloudy.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 66°F
Cloudy.
Monday, September 1st, 2025
Overnight Temperature: 65°F
Mostly cloudy.
Morning Temperature: 74°F
Cloudy.
Afternoon Temperature: 75°F
Cloudy with sunny periods.
Evening Temperature: 68°F
Cloudy with clear periods.
Tuesday, September 2nd, 2025
Overnight Temperature: 65°F
Cloudy with a chance of showers.
Morning Temperature: 75°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 82°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Wednesday, September 3rd, 2025
Overnight Temperature: 66°F
Cloudy with showers likely. Windy at times.
Morning Temperature: 80°F
A mix of cloud and sun. Chance of a thunderstorm. Windy.
Afternoon Temperature: 81°F
Cloudy with a chance of showers or thundershowers. Windy.
Evening Temperature: 68°F
A mix of cloudy and clear skies with showers likely. Slight chance of a thunderstorm. Windy.





 

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This WeatherCity Weather Forecast for Mchenry, 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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