With a population of around 8,000, Marstons Mills sits in Massachusetts, United States. The city operates in the Eastern Time Zone.
In 2025, Marstons Mills recorded an average annual temperature of 52°F — right at the 30-year normal of 52°F. The hottest day reached 100°F in June; the coldest was 12°F in January. Total precipitation was 44 inches (near normal). The wettest month was October.
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