Marion is a city of approximately 5,200 people in Massachusetts, United States. Located in the Eastern Time Zone at 41.7°N latitude.
In 2025, Marion recorded an average annual temperature of 51°F — about 0.8°F above the 30-year normal of 50°F. The hottest day reached 97°F in June; the coldest was 7°F in January. Total precipitation was 47 inches (near normal). The wettest month was October.
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