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February 12th, 2026 :: 3:11 am CST   

Local Weather Report for
Belleville
Illinois, United States

 Current Belleville Weather Conditions Updated February 12th at 1:55 am 
Overcast
Temperature:30°F Dew Point:25°F
Barometer:30.3 inHg Wind:calm
Humidity:80.0% Visibility:0M
 
 Belleville Weather Forecast Summary  
 
Today
Feb 12th
Friday
Feb 13th
Saturday
Feb 14th
Sunday
Feb 15th
Monday
Feb 16th
Cloudy Cloudy Showers Cloudy Cloudy
51°F
56°F
34°F
51°F
43°F
61°F
44°F
61°F
40°F
 
 Belleville Detailed Weather Forecast  
 
Thursday, February 12th, 2026
Morning Temperature: 45°F
Cloudy.
Afternoon Temperature: 43°F
Cloudy.
Evening Temperature: 38°F
A mix of cloudy and clear skies.
Friday, February 13th, 2026
Overnight Temperature: 35°F
A mix of cloudy and clear skies.
Morning Temperature: 49°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 48°F
A mix of cloud and sun.
Evening Temperature: 44°F
Cloudy.
Saturday, February 14th, 2026
Overnight Temperature: 43°F
Cloudy.
Morning Temperature: 49°F
Cloudy with a few showers.
Afternoon Temperature: 46°F
Cloudy with a few showers.
Evening Temperature: 46°F
Cloudy with a chance of showers.
Sunday, February 15th, 2026
Overnight Temperature: 46°F
Cloudy. Windy at times.
Morning Temperature: 55°F
Cloudy. Windy at times.
Afternoon Temperature: 51°F
Sunny.
Evening Temperature: 45°F
Clear.
Monday, February 16th, 2026
Overnight Temperature: 41°F
Clear.
Morning Temperature: 54°F
A mix of cloud and sun.
Afternoon Temperature: 52°F
Cloudy.
Evening Temperature: 48°F
Cloudy.
Tuesday, February 17th, 2026
Overnight Temperature: 45°F
Cloudy.
Morning Temperature: 58°F
Cloudy. Windy.
Afternoon Temperature: 61°F
Cloudy. Windy.
Evening Temperature: 60°F
Cloudy. Windy.
Wednesday, February 18th, 2026
Overnight Temperature: 59°F
Cloudy. Windy.
Morning Temperature: 66°F
Cloudy. Windy at times.
Afternoon Temperature: 63°F
Cloudy.
Evening Temperature: 59°F
Cloudy.
Thursday, February 19th, 2026
Overnight Temperature: 59°F
Cloudy. Windy at times.
Morning Temperature: 68°F
Sunny with cloudy periods with a slight chance of showers. Wind 20 to 30 mph.
Afternoon Temperature: 66°F
Sunny. Windy.
Evening Temperature: 56°F
Cloudy. Windy at times.
Friday, February 20th, 2026
Overnight Temperature: 47°F
Cloudy.
Morning Temperature: 57°F
Cloudy.
Afternoon Temperature: 55°F
Cloudy. Windy at times.
Evening Temperature: 47°F
Clear with cloudy periods with a slight chance of showers. Windy.





 

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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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