A cold front will push across Northern Ontario early this weekend, ending summer-like weather conditions. Gusty westerly winds will settle in by the middle of the weekend and usher in the first consecutive days with cooler-than-normal conditions since earlier this summer.
Friday will be mostly sunny, with a westerly wind cooling afternoon temperatures to 22°C. Clouds and scattered showers arrive in the late afternoon and evening.
Saturday will be mostly cloudy with scattered showers and daytime highs of 18°C. Gusty westerly winds arrive in the afternoon, with a chance for some isolated storms.
Sunday will be mostly cloudy, with a few afternoon sunny breaks as temperatures climb to 20°C. Sunshine and warmer-than-normal conditions will return for most of next week.