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July 21st, 2026 :: 12:05 am CDT   

Local Weather Report for
Charleston
Illinois, United States

 Current Charleston Weather Conditions Updated July 20th at 10:53 pm 
haze
Temperature:75°F Dew Point:72°F
Barometer:29.83 inHg Wind:N 13 Mph
Humidity:88.6% Visibility:0M
 
 Charleston Weather Forecast Summary  
 
Today
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Thundershowers Mostly Sunny Mostly Sunny Mix of Cloud and Sun Mostly Sunny
81°F
70°F
57°F
72°F
51°F
70°F
58°F
79°F
63°F
 
 Charleston Detailed Weather Forecast  
 
Tuesday, July 21st, 2026
Overnight Temperature: 74°F
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Morning Temperature: 71°F
Cloudy with rain, at times heavy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 81°F
Mostly sunny with periods of rain. Chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
Clear. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 66°F
Mostly sunny. Windy at times.
Afternoon Temperature: 69°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 61°F
Clear with cloudy periods.
Thursday, July 23rd, 2026
Overnight Temperature: 52°F
Clear.
Morning Temperature: 59°F
Sunny.
Afternoon Temperature: 71°F
Mostly sunny.
Evening Temperature: 65°F
Mostly clear.
Friday, July 24th, 2026
Overnight Temperature: 58°F
A mix of clear and cloudy skies.
Morning Temperature: 63°F
A mix of cloud and sun.
Afternoon Temperature: 69°F
A mix of cloud and sun.
Evening Temperature: 65°F
A mix of clear and cloudy skies.
Saturday, July 25th, 2026
Overnight Temperature: 63°F
Cloudy with clear periods.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 78°F
Mostly sunny.
Evening Temperature: 73°F
Clear.
Sunday, July 26th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 81°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 77°F
Clear. Chance of a thunderstorm.
Monday, July 27th, 2026
Overnight Temperature: 72°F
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Morning Temperature: 78°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 89°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 78°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Tuesday, July 28th, 2026
Overnight Temperature: 64°F
Clear. Windy at times.
Morning Temperature: 69°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 79°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Clear. Chance of a thunderstorm.





 

  [ Local Weather Report ]
Mattoon, IL 
10:53 PM  75°F
haze
 
Casey, IL 
 
Tuscola, IL 
 
Sullivan, IL 
 
Marshall, IL 
 
Paris, IL 
10:50 PM  72°F
 
 
Shelbyville, IL 
 
Effingham, IL 
10:55 PM  75°F
 
 
Newton, IL 
 
Champaign, IL 
10:53 PM  75°F
Mostly Clear smoke haze

 
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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