Good morning, and a happy Tuesday to you! This is your weather for September 30th, 2025, here in the Windy City—Chicago.

- Morning temperatures start at a cool 59 degrees, great for a brisk walk or morning coffee

- Daytime high will be a comfortable 77 degrees with clear skies and a gentle northeast breeze

- Enjoy outdoor activities with humidity at a pleasant 41 percent

- Evening temperatures remain warm at 73 degrees, ideal for after-work relaxation

- Nighttime cools to 68 degrees with clear skies, perfect for stargazing

- No rain or snow, ensuring uninterrupted plans in lovely weather

Thank you for spending your morning with me. Have a fantastic Tuesday!