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December 12th, 2025 :: 1:25 am CST   

Local Weather Report for
Greenville
Illinois, United States

 Greenville Weather Forecast Summary  
 
Today
Dec 12th
Saturday
Dec 13th
Sunday
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Flurries Cloudy Mix of Cloud and Sun Mix of Cloud and Sun Mix of Cloud and Sun
32°F
25°F
7°F
8°F
-2°F
33°F
5°F
43°F
22°F
 
 Greenville Detailed Weather Forecast  
 
Friday, December 12th, 2025
Overnight Temperature: 26°F
Cloudy with clear periods with flurries likely. Windy at times.
Morning Temperature: 29°F
Cloudy.
Afternoon Temperature: 30°F
Cloudy.
Evening Temperature: 29°F
Cloudy.
Saturday, December 13th, 2025
Overnight Temperature: 22°F
Cloudy.
Morning Temperature: 19°F
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: 15°F
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: 9°F
A mix of cloudy and clear skies. Windy at times.
Sunday, December 14th, 2025
Overnight Temperature: 0°F
Clear. Windy at times.
Morning Temperature: 4°F
Sunny. Windy at times.
Afternoon Temperature: 1°F
A mix of sun and cloud.
Evening Temperature: 1°F
A mix of cloudy and clear skies.
Monday, December 15th, 2025
Overnight Temperature: 7°F
Clear.
Morning Temperature: 24°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 25°F
Sunny.
Evening Temperature: 24°F
Clear.
Tuesday, December 16th, 2025
Overnight Temperature: 23°F
A mix of cloudy and clear skies.
Morning Temperature: 37°F
Mostly sunny. Windy at times.
Afternoon Temperature: 37°F
Sunny. Windy at times.
Evening Temperature: 37°F
A mix of clear and cloudy skies. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 37°F
Cloudy. Windy at times.
Morning Temperature: 48°F
Cloudy. Windy.
Afternoon Temperature: 53°F
Cloudy. Windy.
Evening Temperature: 54°F
Cloudy. Windy.
Thursday, December 18th, 2025
Overnight Temperature: 55°F
Cloudy. Windy at times.
Morning Temperature: 58°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 57°F
A mix of cloud and sun with a chance of showers.
Evening Temperature: 56°F
Cloudy with a chance of showers.
Friday, December 19th, 2025
Overnight Temperature: 59°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 62°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 54°F
A mix of cloud and sun with a slight chance of showers.
Evening Temperature: 48°F
Cloudy.
Saturday, December 20th, 2025
Overnight Temperature: 47°F
Cloudy with a few showers. Windy at times.
Morning Temperature: 49°F
Cloudy with showers. Windy at times.
Afternoon Temperature: 48°F
Cloudy.
Evening Temperature: 46°F
Cloudy.





 

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This WeatherCity Weather Forecast for Greenville, 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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