Toronto Weather in October
In October, Toronto averages a high of 14°C (58°F) and a low of 8°C (46°F), from 54 years of daily records (1971–2025).
14°C
Average high
58°F
8°C
Average low
46°F
29°C
Record high
85°F · October 1, 2002
-3°C
Record low
26°F · October 20, 1974
What October Is Like in Toronto
- 6 of the 10 warmest Octobers on record in Toronto have come since 2010.
- The coldest October reading, -3°C (26°F) on October 20, 1974, has not been matched in 51 years.
- October in Toronto has become 1.5°C (2.6°F) warmer on average: the 2010–2024 average against 1970–1989.
- October 2024 was the 5th warmest October in 54 years of records, 2.1°C (3.7°F) above the long-run average.
At least 1 mm of rain falls on 29% of October days, and the month averages 69 mm in total.
Warmest: 2017 (18.3°C)Latest: 2024 (18.3°C)10-year averageLong-run average (14.3°C)
Look Up a Day in October
See the weather in Toronto on any October date, year by year.
Source: NOAA GHCN-Daily, Toronto (1971–2003); Toronto City (2002–2025). Averages cover 1971–2025. How we compute this