Ottawa's heat warning was officially lifted on Saturday, July 4, 2026, as daytime highs dipped below 30 degrees Celsius. The warning had been in effect for several days as the region experienced a prolonged heat wave.
Cooler Conditions Arrive
Environment Canada reported that temperatures on Saturday reached a high of 28°C, a significant drop from the mid-30s recorded earlier in the week. The agency noted that the cooler air mass moving into the area brought relief to residents who had endured several days of extreme heat.
“The heat warning has ended for Ottawa as temperatures are now below 30°C,” stated Environment Canada in an update. The warning had been issued on June 30 and was extended through Canada Day celebrations.
Impact on Residents
Many Ottawa residents sought relief at public cooling centers and waterfront areas, including the newly opened East Wharf Dock, which drew crowds on Canada Day. The city had opened multiple cooling stations and extended pool hours to help residents cope with the heat.
Local hospitals reported a slight increase in heat-related illnesses, but no fatalities were attributed to the heat wave. Emergency services urged caution as temperatures remain warm, though below warning thresholds.
Regional Context
The heat warning was part of a broader heat wave affecting parts of Ontario and Quebec. Ottawa’s temperatures peaked at 35°C on July 2, with humidex values making it feel over 40°C. The lifting of the warning brings an end to the immediate health risk, though residents are advised to stay hydrated and avoid prolonged sun exposure.
