October in Quincy averages a daily high of 17.4°C with nights around 7.1°C. Expect roughly 11.4 wet days totalling 139.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Quincy is May–September.
Based on HINGHAM, MA US (7.9km), 1995–2024. 30 years of October data.