October 8, 2015; 7:54 AM ET
Chicago will experience a fluctuation in temperatures through the weekend. more >
Pleasant with plenty of sunshine; not as warm in the afternoon
Partly cloudy with a shower in places
Rises at 7:03 AM with 11:09 of sunlight, then sets at 6:12 PM
Rises at 8:28 AM with 10:52 of moolight, then sets at 7:20 PM
Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.