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December 29th, 2025 :: 5:56 am CST   

Local Weather Report for
Belleville
Illinois, United States

 Current Belleville Weather Conditions Updated December 29th at 4:55 am 
Mostly Clear
Temperature:18°F Dew Point:3°F
Barometer:30.15 inHg Wind:N 39 Mph
Humidity:49.3% Visibility:0M
 
 Belleville Weather Forecast Summary  
 
Today
Dec 29th
Tuesday
Dec 30th
Wednesday
Dec 31st
Thursday
Jan 1st
Friday
Jan 2nd
Mostly Sunny Cloudy Cloudy Cloudy Cloudy
30°F
34°F
19°F
40°F
27°F
37°F
25°F
42°F
30°F
 
 Belleville Detailed Weather Forecast  
 
Monday, December 29th, 2025
Morning Temperature: 25°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 25°F
Sunny. Windy.
Evening Temperature: 21°F
Clear. Windy at times.
Tuesday, December 30th, 2025
Overnight Temperature: 19°F
Clear. Windy at times.
Morning Temperature: 28°F
Cloudy. Windy at times.
Afternoon Temperature: 30°F
Cloudy.
Evening Temperature: 28°F
Clear. Windy at times.
Wednesday, December 31st, 2025
Overnight Temperature: 28°F
Clear.
Morning Temperature: 36°F
Cloudy. Windy at times.
Afternoon Temperature: 35°F
Cloudy.
Evening Temperature: 29°F
Mostly clear.
Thursday, January 1st, 2026
Overnight Temperature: 26°F
Clear.
Morning Temperature: 33°F
Cloudy.
Afternoon Temperature: 33°F
Cloudy.
Evening Temperature: 31°F
Cloudy.
Friday, January 2nd, 2026
Overnight Temperature: 30°F
Cloudy.
Morning Temperature: 37°F
Cloudy. Windy at times.
Afternoon Temperature: 36°F
Cloudy. Windy at times.
Evening Temperature: 34°F
Cloudy. Windy at times.
Saturday, January 3rd, 2026
Overnight Temperature: 31°F
Cloudy. Windy at times.
Morning Temperature: 37°F
Sunny. Windy at times.
Afternoon Temperature: 36°F
Sunny.
Evening Temperature: 32°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 31°F
Cloudy.
Morning Temperature: 41°F
Cloudy.
Afternoon Temperature: 41°F
Cloudy. Windy at times.
Evening Temperature: 40°F
Clear.
Monday, January 5th, 2026
Overnight Temperature: 40°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 54°F
Cloudy. Windy.
Afternoon Temperature: 62°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 49°F
Cloudy. Windy.
Tuesday, January 6th, 2026
Overnight Temperature: 38°F
Clear. Windy.
Morning Temperature: 37°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 35°F
Sunny with cloudy periods.
Evening Temperature: 31°F
Cloudy.





 

  [ Local Weather Report ]
Mascoutah, IL 
4:55 AM  18°F
Mostly Clear
 
Lebanon, IL 
4:55 AM  18°F
Mostly Clear
 
Petersburg, IL 
4:55 AM  18°F
Mostly Clear
 
Fairview Heights, IL 
 
Pontiac, IL 
 
Trenton, IL 
 
Collinsville, IL 
 
Crest Hill, IL 
4:53 AM  18°F
light snow
 
Troy, IL 
 
Centreville, IL 
4:53 AM  18°F
light snow

 
This WeatherCity Weather Forecast for Belleville, 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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