Alton, IL Monthly Weather

Altitude - 146m | 38°53′28″N,90°11′2″W | map (OSM)

Alton, IL

°F

1 pmMostly Cloudy10mphW

Tue, December 23, 20252:07 PM (GMT -06:00)

December

Sun	Mon	Tue Dec 23 63 °F low42 °F	Wed Dec 24 60 °F low44 °F	Thu Dec 25 56 °F low51 °F	Fri Dec 26 67 °F low49 °F	Sat Dec 27 59 °F low45 °F
Sun Dec 28 54 °F low26 °F	Mon Dec 29 27 °F low19 °F	Tue Dec 30 31 °F low18 °F	Wed Dec 31 39 °F low26 °F	Thu	Fri	Sat

January

Sun	Mon	Tue	Wed	Thu Jan 1 31 °F low24 °F	Fri Jan 2 34 °F low26 °F	Sat Jan 3 36 °F low23 °F
Sun Jan 4 38 °F low27 °F	Mon Jan 5 39 °F low28 °F	Tue	Wed	Thu	Fri	Sat

Last updated 2h 29min ago

Temperature in Alton, IL for month

* Alton, IL Monthly weather is based on statistical data for the last 10 years. It is intended for personal use on an "as is" basis. This page provides the weather forecast for the next 30 days. In this forecast option you can see precipitation icons and maximum air temperature. The first 14 days reflect the current weather forecast for Alton, IL, and the following days reflect the weather based on statistical data from the last few years of measurements. This weather forecast will be useful for a general understanding of weather changes the nearest month for Alton, IL. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.