For Barrie, Thursday’s daytime high, according to Environment and Climate Change Canada (ECCC), is 22 C and single-digit lows are expected for the night. With the exception of some mild fog early in the morning, the environment agency predicts a day otherwise free of any chances of rain or other percipitation. There may be slight cloud cover in the afternoon hours, but despite that, Barrie residents are warned of a UV rating of seven, which is considered high. Temperatures are predicted to fluctuate as the sun sets, with an overnight low of a possible 9 C.