October in Manchester averages a daily high of 16.1°C with nights around 3.7°C. Expect roughly 10 wet days totalling 112.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Manchester is May–September.
Based on MASSABESIC LAKE, NH US (5.1km), 1995–2024. 30 years of October data.