![It could feel like 31 C next week in southern Ontario [Video]](https://canadanewsvideo.com/wp-content/uploads/2025/05/mp_770945_0_hotweathermississaugahamiltonjpg.jpg)
It could feel like 31 C in southern Ontario next week. Photo: Taryn Elliott
The first day of summer arrives on June 20 but southern Ontario residents can expect a blast of hot weather next week.
May has been unusually cool with highs from 10 to 13 C and rain around the long weekend. Environment and Climate Change Canada described it as the coldest late May in over a decade.
Below-normal temperatures continued this week and were expected into the weekend.
But over 20 C temperatures are expected the first week of June.
In the GTA, Monday’s high could reach 21 C, Tuesday could hit 25 C and on Wednesday the temperature could soar to 27 C, according to Environment and Climate Change Canada.
The Weather Network forecasts a humidex of 29 C on Tuesday and then it could feel like 31 C on Wednesday and Thursday.
Although the temperatures are not expected to remain high into …
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