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West Islip, New York experiences warm summers and cold winters with plenty of sunshine. During the summer months, temperatures are typically in the mid to upper 70s (°F) during the day, with occasional days reaching into the 80s. Nights are generally cooler, with temperatures in the mid to upper 50s (°F).
In the fall, temperatures start to cool off, with highs in the mid to upper 60s (°F). Nights become cooler, with temperatures in the mid to upper 40s (°F).
Winter in West Islip is cold, with highs in the mid to upper 30s (°F) and lows in the mid to upper 20s (°F). Snowfall is common, and blizzards can occur.
In the spring, temperatures begin to warm, with highs in the mid to upper 50s (°F) and lows in the mid to upper 40s (°F). Rainfall is common and thunderstorms are likely.
Overall, West Islip has a moderate climate with warm summers and cold winters. On average, the area receives between 45 and 50 inches of precipitation per year.
As of 2020, the city population is 26614.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for West Islip, New York.