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September 12th, 2025 :: 3:06 pm CDT   

Local Weather Report for
Markham
Illinois, United States

 Current Markham Weather Conditions Updated September 12th at 1:55 pm 
Temperature:90°F Dew Point:57°F
Barometer:30.12 inHg Wind:N 6 Mph
Humidity:33.6% Visibility:0M
 
 Markham Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Cloudy Cloudy Thundershowers Cloudy Thundershowers
91°F
96°F
68°F
100°F
69°F
98°F
68°F
97°F
68°F
 
 Markham Detailed Weather Forecast  
 
Friday, September 12th, 2025
Afternoon Temperature: 88°F
Cloudy.
Evening Temperature: 76°F
A mix of cloudy and clear skies. Windy at times.
Saturday, September 13th, 2025
Overnight Temperature: 69°F
Cloudy. Windy at times.
Morning Temperature: 88°F
A mix of sun and cloud. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 92°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Cloudy with a slight chance of showers.
Sunday, September 14th, 2025
Overnight Temperature: 70°F
Cloudy with a chance of showers.
Morning Temperature: 88°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 96°F
Cloudy. Chance of a thunderstorm.
Evening Temperature: 71°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Monday, September 15th, 2025
Overnight Temperature: 68°F
Cloudy. Slight chance of a thunderstorm.
Morning Temperature: 87°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 92°F
Cloudy. Chance of a thunderstorm.
Evening Temperature: 76°F
Clear with a chance of showers. Slight chance of a thunderstorm.
Tuesday, September 16th, 2025
Overnight Temperature: 71°F
Clear.
Morning Temperature: 90°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 87°F
Cloudy with a chance of showers or thundershowers. Windy.
Evening Temperature: 68°F
Cloudy with showers likely.
Wednesday, September 17th, 2025
Overnight Temperature: 68°F
Cloudy.
Morning Temperature: 87°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 92°F
A mix of sun and cloud. Chance of a thunderstorm.
Evening Temperature: 72°F
Cloudy with a chance of showers. Windy at times.
Thursday, September 18th, 2025
Overnight Temperature: 71°F
Cloudy. Slight chance of a thunderstorm.
Morning Temperature: 84°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 88°F
Cloudy with a slight chance of showers or thundershowers.
Evening Temperature: 68°F
Cloudy with showers likely.
Friday, September 19th, 2025
Overnight Temperature: 65°F
Clear with cloudy periods.
Morning Temperature: 79°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 81°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy.
Evening Temperature: 65°F
Clear with showers likely.
Saturday, September 20th, 2025
Overnight Temperature: 62°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 78°F
Cloudy.
Evening Temperature: 67°F
Clear.





 

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1:55 PM  90°F
 
 
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1:55 PM  91°F
 
 
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1:55 PM  90°F
 
 
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1:52 PM  88°F
 

This WeatherCity Weather Forecast for Markham, 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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