With a population of around 6,100, Harvard sits in Massachusetts, United States. The city operates in the Eastern Time Zone.
In 2025, Harvard recorded an average annual temperature of 50°F — about 0.8°F above the 30-year normal of 49°F. The hottest day reached 95°F in June; the coldest was -5°F in January. Total precipitation was 45 inches (near normal). The wettest month was May.
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