Overview

• Toronto's daytime high on Thursday is forecast to reach only 10 C, close to the record low of 9.4 C set on May 22, 1967.
• Normal daytime highs for late May in Toronto average around 20 C, making the current temperatures significantly cooler than usual.
• Environment Canada attributes the unusual chill to a cold front that swept through southern Ontario on Sunday, disrupting typical seasonal patterns.
• Temperatures are expected to rebound to 18 C by the weekend, though another spell of cooler weather is forecast for next week.
• Residents are advised to dress warmly, prepare for rain, and delay planting cold-sensitive crops until early June.