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 12:45 PM. The temperature feels like 13.55 with a humidity level of 76 so dress accordingly. Cloud coverage is 57 percent with visibility at 11.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 22 MPH. At the end of the day don’t miss the sunset at 10:26 PM.