If you planning to travel to Union Lake, 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 12:09 PM. The temperature feels like 41.25 with a humidity level of 74 so dress accordingly. Cloud coverage is 9 percent with visibility at 13 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 2 MPH. At the end of the day don’t miss the sunset at 9:24 PM.