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October 18th, 2025 :: 2:17 am CDT   

Local Weather Report for
Alton
Illinois, United States

 Current Alton Weather Conditions Updated October 18th at 12:55 am 
Temperature:19°C Dew Point:15°C
Barometer:100.9 kPa Wind:calm
Humidity:77.6% Visibility:0 Km
 
 Alton Weather Forecast Summary  
 
Today
Oct 18th
Sunday
Oct 19th
Monday
Oct 20th
Tuesday
Oct 21st
Wednesday
Oct 22nd
Rain Showers Sunny Mostly Sunny Mix of Cloud and Sun
22°C
17°C
9°C
20°C
8°C
17°C
8°C
17°C
6°C
 
 Alton Detailed Weather Forecast  
 
Saturday, October 18th, 2025
Overnight Temperature: 18°C
Cloudy with a chance of showers.
Morning Temperature: 21°C
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 17°C
Cloudy with rain. Windy at times.
Evening Temperature: 16°C
Cloudy with periods of rain. Windy at times.
Sunday, October 19th, 2025
Overnight Temperature: 12°C
Cloudy with showers likely. Wind 30 to 50 km/h.
Morning Temperature: 15°C
Sunny. Windy.
Afternoon Temperature: 15°C
Sunny. Windy at times.
Evening Temperature: 10°C
Clear.
Monday, October 20th, 2025
Overnight Temperature: 9°C
Clear.
Morning Temperature: 17°C
Sunny. Windy.
Afternoon Temperature: 19°C
Sunny. Windy.
Evening Temperature: 16°C
Clear. Windy.
Tuesday, October 21st, 2025
Overnight Temperature: 10°C
Clear with cloudy periods. Windy at times.
Morning Temperature: 16°C
Sunny. Windy.
Afternoon Temperature: 14°C
Sunny. Windy.
Evening Temperature: 9°C
Clear. Windy at times.
Wednesday, October 22nd, 2025
Overnight Temperature: 6°C
Clear. Windy at times.
Morning Temperature: 13°C
Sunny. Windy at times.
Afternoon Temperature: 14°C
Sunny. Windy at times.
Evening Temperature: 9°C
A mix of cloudy and clear skies.
Thursday, October 23rd, 2025
Overnight Temperature: 8°C
Mostly clear.
Morning Temperature: 16°C
A mix of cloud and sun.
Afternoon Temperature: 18°C
Cloudy.
Evening Temperature: 15°C
Cloudy.
Friday, October 24th, 2025
Overnight Temperature: 12°C
Cloudy with showers likely. Windy at times.
Morning Temperature: 14°C
Cloudy with a slight chance of showers. Windy at times.
Afternoon Temperature: 12°C
Cloudy with a few showers. Windy at times.
Evening Temperature: 12°C
Cloudy with showers likely. Windy at times.
Saturday, October 25th, 2025
Overnight Temperature: 12°C
Cloudy.
Morning Temperature: 13°C
Cloudy.
Afternoon Temperature: 15°C
Cloudy.
Evening Temperature: 14°C
Cloudy.
Sunday, October 26th, 2025
Overnight Temperature: 13°C
Cloudy.
Morning Temperature: 16°C
Cloudy. Windy at times.
Afternoon Temperature: 16°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 12°C
Cloudy.





 

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12:53 AM  19°C
 
 
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12:51 AM  21°C
Mostly Clear
 
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12:51 AM  21°C
Mostly Clear
 
Moline Acres, MO 
12:51 AM  21°C
Mostly Clear

 
This WeatherCity Weather Forecast for Alton, 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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