Traveling to Sullivan County Park, Sullivan, Indiana? 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 11:51 AM and don’t miss the sunset at 11:21 PM. Today’s winds are traveling west at a speed of 5 MPH. The temperature feels like 59 with a humidity level of 54. Cloud coverage is 1 percent with 14.1 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.