About Head of Westport, MA's Climate & Weather History

With a population of around 14,800, Head of Westport sits in Massachusetts, United States. The city operates in the Eastern Time Zone.

In 2025, Head of Westport recorded an average annual temperature of 51°F — about 0.8°F above the 30-year normal of 50°F. The hottest day reached 98°F in June; the coldest was 5°F in January. Total precipitation was 45 inches (near normal). The wettest month was May.