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July 24th, 2026 :: 11:30 am CDT   

Local Weather Report for
Mchenry
Illinois, United States

 Mchenry Weather Forecast Summary  
 
Today
Jul 24th
Saturday
Jul 25th
Sunday
Jul 26th
Monday
Jul 27th
Tuesday
Jul 28th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
79°F
80°F
57°F
94°F
69°F
90°F
72°F
96°F
73°F
 
 Mchenry Detailed Weather Forecast  
 
Friday, July 24th, 2026
Afternoon Temperature: 78°F
Sunny.
Evening Temperature: 67°F
Clear.
Saturday, July 25th, 2026
Overnight Temperature: 58°F
Mostly clear.
Morning Temperature: 68°F
Mostly sunny. Windy at times.
Afternoon Temperature: 78°F
Mostly cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Sunday, July 26th, 2026
Overnight Temperature: 70°F
Mostly clear with a slight chance of showers or thundershowers.
Morning Temperature: 77°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 92°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Monday, July 27th, 2026
Overnight Temperature: 73°F
A mix of clear and cloudy skies. Chance of a thunderstorm. Windy at times.
Morning Temperature: 78°F
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 84°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 78°F
Mostly clear. Chance of a thunderstorm.
Tuesday, July 28th, 2026
Overnight Temperature: 74°F
Clear with cloudy periods. Chance of a thunderstorm.
Morning Temperature: 81°F
Mostly sunny with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 95°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm. Windy at times.
Wednesday, July 29th, 2026
Overnight Temperature: 67°F
Clear. Windy at times.
Morning Temperature: 70°F
Sunny. Windy at times.
Afternoon Temperature: 80°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Clear. Windy at times.
Thursday, July 30th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 86°F
Mostly sunny. Windy at times.
Evening Temperature: 75°F
Mostly clear.
Friday, July 31st, 2026
Overnight Temperature: 69°F
Mostly clear.
Morning Temperature: 75°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 78°F
A mix of clear and cloudy skies with a chance of showers or thundershowers. Windy at times.
Saturday, August 1st, 2026
Overnight Temperature: 70°F
Clear with a chance of showers or thundershowers.
Morning Temperature: 75°F
Sunny with a slight chance of showers or thundershowers.
Afternoon Temperature: 90°F
Mostly sunny. Windy at times.
Evening Temperature: 77°F
Clear.





 

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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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