October in Amherst averages a daily high of 15.7°C with nights around 7°C. Expect roughly 14.5 wet days totalling 105.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Amherst is May–September.
Based on BUFFALO NIAGARA INTERNATIONAL AIRPOR, NY US (6.1km), 1995–2024. 30 years of October data.