If you planning to travel to Thornbury Harbour, Blue Mountains, 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 12:23 PM. The temperature feels like 41.15 with a humidity level of 85 so dress accordingly. Cloud coverage is 77 percent with visibility at 10.4 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 11 MPH. At the end of the day don’t miss the sunset at 9:49 PM.