If you planning to travel to Mercer Depot Museum, Mercer, Wisconsin, 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 12:39 PM. The temperature feels like 25.8 with a humidity level of 98 so dress accordingly. Cloud coverage is 92 percent with visibility at 4.5 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 14 MPH. At the end of the day don’t miss the sunset at 10:45 PM.