If you planning to travel to Grand Island National Recreation Area, Munising, Michigan, 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 1:25 PM. The temperature feels like 16.8 with a humidity level of 78 so dress accordingly. Cloud coverage is 85 percent with visibility at 8 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 10:01 PM.