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 12:15 PM and don’t miss the sunset at 10:55 PM. Today’s winds are traveling east-northeast at a speed of 14 MPH. The temperature feels like 43 with a humidity level of 85. Cloud coverage is 99 percent with 10.6 percent visibility. Today’s UV index is 1 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.