


NWS Forecast for: Islip, Long Island Mac Arthur Airport NY Issued by: National Weather Service New York, NY Last Update: 6:52 am EDT Jul 13, 2025 | |
Today: Areas of drizzle and fog before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 78. Northeast wind 6 to 9 mph becoming southeast in the afternoon. Tonight: Patchy drizzle and fog after 10pm. Mostly cloudy, with a low around 71. Southeast wind 3 to 8 mph. Monday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. South wind 5 to 9 mph. Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph. Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon. Tuesday Night: Partly cloudy, with a low around 73. Wednesday: Mostly sunny, with a high near 88. Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 74. Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%. Friday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Saturday: Mostly sunny, with a high near 86. | |
Islip, Long Island Mac Arthur Airport NY 40.78°N 73.09°W (Elev. 49 ft) | |
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