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January 3rd, 2026 :: 12:36 pm CST   

Local Weather Report for
Belleville
Illinois, United States

 Current Belleville Weather Conditions Updated January 3rd at 11:55 am 
Temperature:37°F Dew Point:23°F
Barometer:30.06 inHg Wind:N 11 Mph
Humidity:55.5% Visibility:0M
 
 Belleville Weather Forecast Summary  
 
Today
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Tuesday
Jan 6th
Wednesday
Jan 7th
Cloudy Cloudy Cloudy Cloudy Cloudy
41°F
42°F
27°F
59°F
35°F
63°F
46°F
60°F
43°F
 
 Belleville Detailed Weather Forecast  
 
Saturday, January 3rd, 2026
Afternoon Temperature: 34°F
Sunny.
Evening Temperature: 31°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 28°F
Clear.
Morning Temperature: 37°F
Cloudy.
Afternoon Temperature: 38°F
Sunny with cloudy periods.
Evening Temperature: 35°F
Clear. Windy at times.
Monday, January 5th, 2026
Overnight Temperature: 35°F
Clear. Windy at times.
Morning Temperature: 50°F
Sunny. Windy at times.
Afternoon Temperature: 48°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 47°F
Cloudy. Windy at times.
Tuesday, January 6th, 2026
Overnight Temperature: 47°F
Cloudy. Windy at times.
Morning Temperature: 57°F
Cloudy. Windy at times.
Afternoon Temperature: 56°F
Cloudy.
Evening Temperature: 51°F
Cloudy.
Wednesday, January 7th, 2026
Overnight Temperature: 44°F
Clear.
Morning Temperature: 54°F
Cloudy.
Afternoon Temperature: 52°F
Cloudy.
Evening Temperature: 51°F
Cloudy.
Thursday, January 8th, 2026
Overnight Temperature: 53°F
Cloudy with a slight chance of showers. Windy.
Morning Temperature: 54°F
Cloudy with a few showers.
Afternoon Temperature: 54°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 56°F
Cloudy with a chance of showers. Windy at times.
Friday, January 9th, 2026
Overnight Temperature: 57°F
Cloudy. Windy at times.
Morning Temperature: 63°F
A mix of cloud and sun. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 56°F
Sunny. Windy.
Evening Temperature: 47°F
Cloudy. Windy.
Saturday, January 10th, 2026
Overnight Temperature: 40°F
Clear with cloudy periods. Windy.
Morning Temperature: 41°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 38°F
A mix of cloud and sun.
Evening Temperature: 34°F
Clear with cloudy periods.
Sunday, January 11th, 2026
Overnight Temperature: 29°F
Clear.
Morning Temperature: 37°F
Sunny.
Afternoon Temperature: 36°F
Sunny.
Evening Temperature: 34°F
A mix of cloudy and clear skies. Windy at times.





 

  [ Local Weather Report ]
Mascoutah, IL 
11:55 AM  37°F
 
 
Lebanon, IL 
11:55 AM  37°F
 
 
Petersburg, IL 
11:55 AM  37°F
 
 
Fairview Heights, IL 
 
Pontiac, IL 
 
Trenton, IL 
 
Collinsville, IL 
 
Crest Hill, IL 
11:53 AM  36°F
 
 
Troy, IL 
 
Centreville, IL 
11:53 AM  36°F
 

 
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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