If you planning to travel to Harrison Bay State Park, Harrison, Tennessee, 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 12:44 PM. The temperature feels like 34.05 with a humidity level of 72 so dress accordingly. Cloud coverage is 5 percent with visibility at 13.7 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 10:33 PM.