If you planning to travel to South Haven Lighthouse, South Haven, 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 10:40 AM. The temperature feels like 55.35 with a humidity level of 77 so dress accordingly. Cloud coverage is 84 percent with visibility at 10 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 10 MPH. At the end of the day don’t miss the sunset at 12:46 AM.