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July 27th, 2026 :: 3:02 am CDT   

Local Weather Report for
Charleston
Illinois, United States

 Current Charleston Weather Conditions Updated July 27th at 1:53 am 
mist
Temperature:77°F Dew Point:75°F
Barometer:29.86 inHg Wind:N 11 Mph
Humidity:94.2% Visibility:0M
 
 Charleston Weather Forecast Summary  
 
Today
Jul 27th
Tuesday
Jul 28th
Wednesday
Jul 29th
Thursday
Jul 30th
Friday
Jul 31st
Thundershowers Mostly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy with Showers
91°F
83°F
68°F
79°F
60°F
82°F
62°F
72°F
67°F
 
 Charleston Detailed Weather Forecast  
 
Monday, July 27th, 2026
Overnight Temperature: 75°F
Clear with a chance of showers or thundershowers.
Morning Temperature: 80°F
Mostly sunny with a slight chance of showers or thundershowers.
Afternoon Temperature: 91°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 81°F
Clear with cloudy periods with showers likely. Chance of a thunderstorm.
Tuesday, July 28th, 2026
Overnight Temperature: 70°F
Mostly clear with a chance of showers.
Morning Temperature: 75°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 83°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Wednesday, July 29th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 66°F
Sunny. Windy at times.
Afternoon Temperature: 78°F
Mostly sunny. Windy at times.
Evening Temperature: 71°F
Clear. Slight chance of a thunderstorm.
Thursday, July 30th, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 82°F
Mostly sunny.
Evening Temperature: 75°F
A mix of clear and cloudy skies. Slight chance of a thunderstorm.
Friday, July 31st, 2026
Overnight Temperature: 70°F
A mix of cloudy and clear skies.
Morning Temperature: 70°F
Mostly cloudy.
Afternoon Temperature: 69°F
Cloudy with showers likely.
Evening Temperature: 67°F
Mostly cloudy with showers likely.
Saturday, August 1st, 2026
Overnight Temperature: 64°F
Mostly cloudy with a chance of showers.
Morning Temperature: 65°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 68°F
Cloudy with a slight chance of showers. Windy at times.
Evening Temperature: 66°F
Clear with cloudy periods.
Sunday, August 2nd, 2026
Overnight Temperature: 62°F
Mostly clear. Windy at times.
Morning Temperature: 67°F
Sunny. Windy at times.
Afternoon Temperature: 78°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Clear. Chance of a thunderstorm.
Monday, August 3rd, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Tuesday, August 4th, 2026
Overnight Temperature: 68°F
Clear.
Morning Temperature: 73°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 84°F
Mostly sunny with a slight chance of showers or thundershowers.
Evening Temperature: 78°F
Clear with a chance of showers or thundershowers.





 

  [ Local Weather Report ]
Mattoon, IL 
1:53 AM  77°F
mist
 
Casey, IL 
 
Tuscola, IL 
 
Sullivan, IL 
 
Marshall, IL 
 
Paris, IL 
1:55 AM  72°F
moderate fog
 
Shelbyville, IL 
 
Effingham, IL 
1:55 AM  75°F
heavy rain
 
Newton, IL 
 
Champaign, IL 
1:53 AM  72°F
mist

 
This WeatherCity Weather Forecast for Charleston, 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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