June in Weymouth averages a daily high of 25.1°C with nights around 14.1°C. Expect roughly 11.8 wet days totalling 105.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Weymouth is May–September.
Based on HINGHAM, MA US (2.3km), 1995–2024. 30 years of June data.