Current Conditions
More Information
WeatherCity Home
Switch to Metric Units
[ Almanac ]  
Sunrise:  5:32 am
Sunset:  8:26 pm
[ Moon Phases ]  

First Quarter
Aug 18

Full Moon
Jul 29

Last Quarter
Aug 6

New Moon
Aug 13




July 20th, 2026 :: 8:05 am CDT   

Local Weather Report for
Mchenry
Illinois, United States

 Mchenry Weather Forecast Summary  
 
Today
Jul 20th
Tuesday
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Mostly Sunny Mostly Sunny Sunny Mostly Sunny Mostly Sunny
79°F
77°F
63°F
72°F
50°F
78°F
53°F
80°F
57°F
 
 Mchenry Detailed Weather Forecast  
 
Monday, July 20th, 2026
Morning Temperature: 68°F
Mostly sunny. Windy at times.
Afternoon Temperature: 77°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy.
Evening Temperature: 77°F
Mostly clear with a chance of showers or thundershowers. Windy.
Tuesday, July 21st, 2026
Overnight Temperature: 72°F
A mix of cloudy and clear skies with a chance of showers or thundershowers. Windy.
Morning Temperature: 73°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 76°F
A mix of sun and cloud. Slight chance of a thunderstorm. Windy.
Evening Temperature: 68°F
Mostly clear. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 55°F
Clear. Windy at times.
Morning Temperature: 57°F
Sunny. Windy at times.
Afternoon Temperature: 71°F
Sunny. Windy at times.
Evening Temperature: 63°F
Clear.
Thursday, July 23rd, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 63°F
Sunny.
Afternoon Temperature: 77°F
Sunny.
Evening Temperature: 67°F
Mostly clear.
Friday, July 24th, 2026
Overnight Temperature: 58°F
Mostly clear.
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 79°F
Mostly sunny.
Evening Temperature: 68°F
Mostly clear.
Saturday, July 25th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 82°F
Sunny.
Evening Temperature: 71°F
Clear.
Sunday, July 26th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 72°F
Mostly sunny. Windy at times.
Afternoon Temperature: 88°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 81°F
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Monday, July 27th, 2026
Overnight Temperature: 72°F
Mostly clear with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 75°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 81°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 68°F
Clear. Windy at times.
Tuesday, July 28th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 69°F
Sunny. Windy at times.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 65°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Crystal Lake, IL 
 
Cary, IL 
 
Woodstock, IL 
 
Genoa City, WI 
 
Antioch, IL 
 
Twin Lakes, WI 
 
Silver Lake, WI 
 
Salem, WI 
 
Wheatland, WI 
 
Harvard, IL 

 
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

  Mchenry weather brought to you by WeatherCity Server: us-chi1   Rendered in 0.00265s  
Home   |   About WeatherCity