October in Vancouver averages a daily high of 17.8°C with nights around 7.4°C. Expect roughly 15.2 wet days totalling 80.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Vancouver is July–September.
Based on VANCOUVER PEARSON AIRPORT, WA US (2km), 1995–2024. 28 years of October data.