October in Haverhill averages a daily high of 17°C with nights around 4.9°C. Expect roughly 11.4 wet days totalling 136.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Haverhill is May–June.
Based on HAVERHILL, MA US (2.3km), 1995–2024. 28 years of October data.