Traveling to Heritage Park, Arlington Heights, Illinois? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 11:43 AM and don’t miss the sunset at 11:41 PM. Today’s winds are traveling east-southeast at a speed of 9 MPH. The temperature feels like 67 with a humidity level of 91. Cloud coverage is 77 percent with 8.3 percent visibility. Today’s UV index is 3 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.