Toronto, Ontario weather in October

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

Average high: 60°F
Average low: 47°F
Rainy days: ~11 per month
Total precipitation: 3.0 in
Warmest recorded: 80°F
Coldest recorded: 29°F

Expect October days in Toronto, Ontario to top out around 60°F and cool to about 47°F overnight, with roughly 11 days of measurable rain across the month. In recent years October has ranged from 29°F to 80°F.

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