About Port Chester, NY's Climate & Weather History

With a population of around 29,600, Port Chester sits in New York, United States. The city operates in the Eastern Time Zone.

In 2025, Port Chester recorded an average annual temperature of 53°F — about 2.8°F below the 30-year normal of 56°F. The hottest day reached 103°F in June; the coldest was 4°F in January. Total precipitation was 47 inches (drier than usual). Snowfall totaled 8 inches, below the 30-inch average. The wettest month was May.