National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
 Point Forecast: Islip, Long Island Mac Arthur Airport NY
 40.78N 73.09W (Elev. 49 ft)
 Last Update: 7:10 pm EDT Mar 10, 2026
Hourly Weather Forecast Graph
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Additional Forecasts and Information
International System of UnitsForecast Discussion
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