Toronto is gearing up for its first major heatwave of the season, with meteorologists predicting a significant rise in temperatures in the coming days. CP24 meteorologist Bill Coulter has provided an update on the weather conditions expected across Toronto and parts of the Greater Toronto Area (GTA).
When Will the Heat Arrive?
According to Coulter, the heat is expected to arrive by mid-week, with temperatures soaring into the high 20s and low 30s Celsius. The warm spell is anticipated to last several days, bringing a taste of summer to the region. Residents are advised to prepare for hot and humid conditions, especially during the afternoon hours.
What to Expect
The heatwave will be accompanied by increased humidity, making it feel even hotter. Coulter notes that nighttime temperatures will remain warm, offering little relief. This pattern is typical for early summer in Toronto, but it marks the first prolonged period of heat this year.
- Temperature highs: Expected to reach 30°C or higher.
- Humidity levels: Will make it feel like 35°C or more.
- Duration: The heatwave is forecast to last from Wednesday through the weekend.
Health and Safety Tips
With the heat comes potential health risks. Experts recommend staying hydrated, avoiding strenuous outdoor activities during peak sun hours, and checking on vulnerable individuals such as the elderly and those with chronic conditions. Cooling centers may be opened across the city to provide relief.
Looking Ahead
While this heatwave is significant, it is not expected to break any records. However, it serves as a reminder that summer is approaching. Residents are encouraged to stay updated with local forecasts and plan accordingly.
For more detailed information, including hourly updates and air quality alerts, follow CP24's weather coverage.



