If you planning to travel to Ontonagon Lighthouse, Ontonagon, 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 1:10 PM. The temperature feels like 34.5 with a humidity level of 89 so dress accordingly. Cloud coverage is 92 percent with visibility at 9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 13 MPH. At the end of the day don’t miss the sunset at 10:16 PM.