If you planning to travel to Muskoka Steamships, Gravenhurst, Ontario, Canada, 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 12:53 PM. The temperature feels like -5.8 with a humidity level of 71 so dress accordingly. Cloud coverage is 31 percent with visibility at 10.8 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 9:40 PM.