October in Caledon averages a daily high of 15.1°C with nights around 3.5°C. Expect roughly 12.2 wet days totalling 68.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Caledon is May–September.
Based on GEORGETOWN WWTP, ON CA (27.3km), 1995–2024. 21 years of October data.