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July 14th, 2026 :: 3:47 am CDT   

Local Weather Report for
Mchenry
Illinois, United States

 Mchenry Weather Forecast Summary  
 
Today
Jul 14th
Wednesday
Jul 15th
Thursday
Jul 16th
Friday
Jul 17th
Saturday
Jul 18th
Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
90°F
90°F
71°F
88°F
68°F
88°F
66°F
90°F
72°F
 
 Mchenry Detailed Weather Forecast  
 
Tuesday, July 14th, 2026
Overnight Temperature: 71°F
Clear. Chance of a thunderstorm.
Morning Temperature: 77°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 89°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 80°F
Clear. Chance of a thunderstorm.
Wednesday, July 15th, 2026
Overnight Temperature: 71°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 78°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 90°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 79°F
Mostly clear. Chance of a thunderstorm.
Thursday, July 16th, 2026
Overnight Temperature: 72°F
Mostly clear.
Morning Temperature: 77°F
Mostly sunny.
Afternoon Temperature: 87°F
Sunny with a chance of showers or thundershowers.
Evening Temperature: 72°F
Clear with a chance of showers.
Friday, July 17th, 2026
Overnight Temperature: 67°F
Mostly clear.
Morning Temperature: 76°F
Sunny.
Afternoon Temperature: 88°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 78°F
Mostly clear with a slight chance of showers or thundershowers.
Saturday, July 18th, 2026
Overnight Temperature: 72°F
Clear. Chance of a thunderstorm.
Morning Temperature: 79°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 89°F
Mostly sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 80°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 69°F
Clear with cloudy periods with a slight chance of showers.
Morning Temperature: 75°F
Mostly sunny.
Afternoon Temperature: 88°F
Mostly sunny. Slight chance of a thunderstorm.
Evening Temperature: 78°F
Mostly clear. Chance of a thunderstorm.
Monday, July 20th, 2026
Overnight Temperature: 73°F
A mix of clear and cloudy skies.
Morning Temperature: 79°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 89°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 78°F
Clear with a slight chance of showers or thundershowers.
Tuesday, July 21st, 2026
Overnight Temperature: 71°F
Mostly cloudy with showers.
Morning Temperature: 72°F
Cloudy with a few showers. Slight chance of a thunderstorm.
Afternoon Temperature: 86°F
A mix of cloud and sun with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 74°F
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 69°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 66°F
Mostly cloudy. Windy at times.
Afternoon Temperature: 70°F
Mostly cloudy. Windy at times.
Evening Temperature: 66°F
A mix of clear and cloudy skies.





 

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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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