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Central Islip, New York is located in the Northeastern United States, which typically experiences warm summers and cold winters. In the summer, temperatures usually range from the upper 70s to the upper 80s with occasional heat waves reaching into the 90s. The average high temperature in July is 84°F (29°C). Winters are cold and snowy with temperatures often going below freezing. The average low temperature in January is 24°F (-4°C). Spring and fall are mild with temperatures averaging around 60°F (16°C). The area is also susceptible to thunderstorms, snowstorms, and coastal flooding due to its proximity to the Atlantic Ocean.
As of 2020, the city population is 33591.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Central Islip, New York.