If you planning to travel to Alexander Stewart Provincial Park, Arnprior, 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 12:44 PM. The temperature feels like 12.6 with a humidity level of 87 so dress accordingly. Cloud coverage is 65 percent with visibility at 8 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 5 MPH. At the end of the day don’t miss the sunset at 9:28 PM.