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September 18th, 2025 :: 4:08 am CDT   

Local Weather Report for
Markham
Illinois, United States

 Current Markham Weather Conditions Updated September 18th at 2:55 am 
Temperature:59°F Dew Point:52°F
Barometer:30.04 inHg Wind:N 6 Mph
Humidity:77.0% Visibility:0M
 
 Markham Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Cloudy Showers Showers Showers Thundershowers
94°F
85°F
63°F
91°F
64°F
85°F
66°F
81°F
65°F
 
 Markham Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Morning Temperature: 88°F
A mix of cloud and sun.
Afternoon Temperature: 88°F
Cloudy.
Evening Temperature: 72°F
A mix of cloudy and clear skies.
Friday, September 19th, 2025
Overnight Temperature: 64°F
Cloudy.
Morning Temperature: 81°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 79°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 66°F
Clear with showers likely.
Saturday, September 20th, 2025
Overnight Temperature: 64°F
Clear with showers likely.
Morning Temperature: 81°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Afternoon Temperature: 85°F
Cloudy.
Evening Temperature: 71°F
Cloudy. Windy at times.
Sunday, September 21st, 2025
Overnight Temperature: 66°F
Cloudy.
Morning Temperature: 80°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 78°F
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy.
Evening Temperature: 68°F
Cloudy with showers likely. Windy.
Monday, September 22nd, 2025
Overnight Temperature: 66°F
Cloudy with showers. Windy at times.
Morning Temperature: 77°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 70°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 66°F
Cloudy with a chance of showers. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 65°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 77°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 76°F
Cloudy with showers. Chance of a thunderstorm. Windy at times.
Evening Temperature: 65°F
Cloudy with a few showers.
Wednesday, September 24th, 2025
Overnight Temperature: 60°F
Cloudy with a slight chance of showers.
Morning Temperature: 68°F
Cloudy.
Afternoon Temperature: 63°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 56°F
Clear with cloudy periods with a chance of showers.
Thursday, September 25th, 2025
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 66°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 62°F
Cloudy with sunny periods with a chance of showers.
Evening Temperature: 60°F
Cloudy with a chance of showers. Windy at times.
Friday, September 26th, 2025
Overnight Temperature: 56°F
Clear with cloudy periods.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 65°F
A mix of cloudy and clear skies.





 

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2:55 AM  59°F
 
 
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2:55 AM  63°F
 
 
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Leland Grove, IL 
2:52 AM  57°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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