Toronto, Ontario weather in March

Averages from 2021–2025 (155 days of record).

Average high: 43°F
Average low: 28°F
Rainy days: ~11 per month
Total precipitation: 2.8 in
Warmest recorded: 67°F
Coldest recorded: -4°F

Expect March days in Toronto, Ontario to top out around 43°F and cool to about 28°F overnight, with roughly 11 days of measurable rain across the month. In recent years March has ranged from -4°F to 67°F.

Other months

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Current Toronto, Ontario forecast → · Historical data by Open-Meteo (ERA5).