Overview

• Forecasts call for 27 C highs on Saturday and Sunday after 25 C on Friday, with Monday also near 27 C.
• Rain is expected Tuesday with a high near 22 C, followed by a rapid cool-down to mid-teen daytime temperatures by midweek.
• Typical October conditions in Toronto average about 16 C for daytime highs and 8 C overnight, with highs rarely topping 21 C.
• The current run ranks among the warmest early-October stretches on record, whereas recent warm Octobers peaked near 24 C in 2020 and 23 C in 2021.
• Long-term climate data show October usually brings roughly 11 days of rain totaling about 91 mm.