Weather in Collinsville, Illinois as of 13 July, 2025. Temperature, rain and forecast for this week.

The following widget shows the weather in Collinsville, Illinois as of 13 July, 2025. Click on the widget to open the weather forecast for Collinsville. Please note: the weather in Collinsville may change in any second, so make your decisions wisely and follow the news.

COLLINSVILLE WEATHER

Add this page to favorites so you can stay updated about the actual weather in Collinsville, Illinois.

Good weather and PEACE to everyone!

Check out more data on weather in Illinois:

• Weather in Rockford
• Weather in Cicero
• Weather in Skokie
• Weather in Berwyn
• Weather in Wheaton
• Weather in Downers Grove
• Weather in Buffalo Grove
• Weather in Romeoville
• Weather in Urbana
• Weather in Rock Island
• Weather in Woodridge
• Weather in Mundelein
• Weather in Algonquin
• Weather in Glen Ellyn
• Weather in McHenry
• Weather in Lockport
• Weather in Edwardsville