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 12:18 PM. The temperature feels like -25.549999999999997 with a humidity level of 62 so dress accordingly. Cloud coverage is 48 percent with visibility at 14 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 18 MPH. At the end of the day don’t miss the sunset at 10:23 PM.