Happy Friday! Here's your weather for September 4th, 2026, in Chicago—the Windy City. - Morning temperatures at a comfortable 77 degrees with light rain - A little over a quarter-inch of rain expected, so no need for heavy rain gear - Daytime high around 86 degrees with 21% cloudiness and some sunshine - Gentle west breeze, ideal for a lunch at Millennium Park - Evening temps rising to 92 degrees with light sprinkles possible - Nighttime cool down to 82 degrees with a hint of breeze and light rain Have a fantastic Friday! Remember to tune back in tomorrow for more weather updates.