Webcome the weekend, temperatures will remain high. On saturday, a light wind is expected, along with a high of 27 c. On sunday, it is expected to be muggy. The warm start to the week in southern ontario may break temperature records, followed by a slight drop with chances of showers and. Webontario has not broken any heat records yet, but it's getting close. It feels like florida outside, said environment and climate change canada national warning. Webthis week’s heat wave is likely break records across ontario and quebec as a strong ridge of high pressure builds over the eastern u. s. And the great lakes. Webtoronto will see rain and a high of 14 c on saturday. The temperature is expected to drop even further on sunday and monday, with environment canada calling.