If you planning to travel to Fort Gratiot Lighthouse, Port Huron, 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 12:04 PM. The temperature feels like 48.8 with a humidity level of 67 so dress accordingly. Cloud coverage is 66 percent with visibility at 14.9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 13 MPH. At the end of the day don’t miss the sunset at 10:20 PM.