If you planning to travel to Harris Theater, Chicago, Illinois, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 10:58 AM. The temperature feels like 70.8 with a humidity level of 68 so dress accordingly. Cloud coverage is 36 percent with visibility at 15.6 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 12:49 AM.