What to know
- Toronto is experiencing its first heat wave of the year, with Environment Canada issuing a yellow heat warning across the GTA.
- Tuesday was forecast to be the hottest day, with highs near 30 C and humidex values making it feel close to 40 C.
- A sharp cool-down arrives Wednesday, bringing temperatures down to around 18 C along with gusty winds.
- Cooler mid-teen temperatures and weekend rain are expected, before warmer conditions return early next week with highs in the low 20s.
As Toronto powered through the second day of its first heat wave of the year, a refreshing return to spring-like weather finally hit the city on Wednesday.
On Tuesday, Environment Canada extended its yellow heat warning for Toronto and much of the GTA as sweltering temperatures continue to grip the region. Daytime highs are expected to climb to 30 C, though with the humidex, it could feel closer to a sticky 40.
The good news? Relief is already in sight. By Wednesday, temperatures tumbled to a much cooler 18 C. Gusty winds reaching up to 50 km/h could make it feel even brisker, a dramatic shift for residents eager to escape the early-season heat.
The cooler pattern is expected to stick around through the rest of the week, with daytime highs hovering in the mid-teens as the city inches closer to June.
But this is still spring in Toronto, so don’t stash those umbrellas away just yet. Showers are in the forecast for both Saturday and Sunday, setting the stage for a damp weekend across the city.
Looking ahead to the final week of May, brighter skies and warmer temperatures are expected to make a comeback. Sunshine returns early next week, with daytime highs forecast to settle back into the low 20s by Monday, offering Toronto a more comfortable taste of summer ahead.
