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June 18th, 2026 :: 2:10 pm CDT   

Local Weather Report for
Charleston
Illinois, United States

 Current Charleston Weather Conditions Updated June 18th at 12:53 pm 
Temperature:72°F Dew Point:61°F
Barometer:29.83 inHg Wind:N 21 Mph
Humidity:68.8% Visibility:0M
 
 Charleston Weather Forecast Summary  
 
Today
Jun 18th
Friday
Jun 19th
Saturday
Jun 20th
Sunday
Jun 21st
Monday
Jun 22nd
Mostly Cloudy with Showers Mostly Sunny Mix of Cloud and Sun Rain Mostly Sunny
72°F
75°F
57°F
79°F
62°F
73°F
60°F
73°F
58°F
 
 Charleston Detailed Weather Forecast  
 
Thursday, June 18th, 2026
Afternoon Temperature: 69°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 65°F
Clear.
Friday, June 19th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 65°F
Sunny.
Afternoon Temperature: 75°F
Mostly sunny. Windy at times.
Evening Temperature: 68°F
Mostly clear.
Saturday, June 20th, 2026
Overnight Temperature: 62°F
A mix of clear and cloudy skies.
Morning Temperature: 65°F
Cloudy with sunny periods.
Afternoon Temperature: 75°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Evening Temperature: 70°F
Mostly clear with a slight chance of showers or thundershowers.
Sunday, June 21st, 2026
Overnight Temperature: 64°F
A mix of cloudy and clear skies.
Morning Temperature: 68°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 72°F
Cloudy with a few showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 61°F
Mostly cloudy with rain, at times heavy. Wind 25 to 40 mph.
Monday, June 22nd, 2026
Overnight Temperature: 59°F
A mix of clear and cloudy skies with a chance of showers. Windy at times.
Morning Temperature: 62°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 72°F
Mostly sunny. Windy at times.
Evening Temperature: 66°F
Mostly clear.
Tuesday, June 23rd, 2026
Overnight Temperature: 58°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 65°F
Mostly sunny. Windy at times.
Afternoon Temperature: 75°F
Sunny with cloudy periods.
Evening Temperature: 68°F
Cloudy with clear periods.
Wednesday, June 24th, 2026
Overnight Temperature: 65°F
A mix of cloudy and clear skies.
Morning Temperature: 65°F
Sunny with cloudy periods.
Afternoon Temperature: 73°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 66°F
Mostly clear.
Thursday, June 25th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 66°F
Mostly sunny.
Afternoon Temperature: 77°F
Mostly sunny.
Evening Temperature: 71°F
Mostly clear.
Friday, June 26th, 2026
Overnight Temperature: 64°F
A mix of cloudy and clear skies.
Morning Temperature: 63°F
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 63°F
A mix of cloud and sun with showers likely. Windy at times.
Evening Temperature: 63°F
Clear with a slight chance of showers.





 

  [ Local Weather Report ]
Mattoon, IL 
12:53 PM  72°F
 
 
Casey, IL 
 
Tuscola, IL 
 
Sullivan, IL 
 
Marshall, IL 
 
Paris, IL 
12:55 PM  70°F
Overcast
 
Shelbyville, IL 
 
Effingham, IL 
12:55 PM  68°F
moderate rain
 
Newton, IL 
 
Champaign, IL 
12:53 PM  72°F
Mostly Cloudy

 
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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