Residents of Barrie began their day with a brisk 10 C morning on Monday. Monday’s daytime high is estimated to be 15 C according to Environment and Climate Change Canada (ECCC). Although some cloud cover is expected, Monday and the rest of the week should be rain-free, ECCC says. As the sun comes out, the UV index is expected to reach 6. Monday’s overall low is expected to reach 9 C, two degrees warmer than average for this time of year.