April in Weymouth averages a daily high of 14.7°C with nights around 3.6°C. Expect roughly 12.2 wet days totalling 117.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Weymouth is May–September.
Based on HINGHAM, MA US (2.3km), 1995–2024. 30 years of April data.