March 18 Weather: Sunny skies and temperature boost in Toronto

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Published March 17, 2025 at 3:20 pm

march 18 weather toronto

The weather rollercoaster continues in Toronto.

After a weekend of milder temperatures, up to 17 C, and thunderstorms, St. Patrick’s Day turned cold in the city.

The temperature dropped to -2 C Monday morning, with the wind chill feeling like -9 C. A high of 6 C was expected on Monday. In the evening, it could go back down to -2 C.

A warm-up is expected to start Tuesday with a high of 9 to 11 C and a low of 2 C in the evening. It will also be another sunny day.

Wednesday looks to be the warmest day of the week with the high reaching 15 or 16 C.

Temperatures are expected to drop again toward the end of the week.

march 18 weather toronto