| NWS Forecast for: West Islip NY Issued by: National Weather Service New York, NY Last Update: 3:16 pm EDT Jul 15, 2025 | |
Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Wednesday: Mostly sunny, with a high near 86. Heat index values as high as 96. Calm wind becoming south 5 to 9 mph in the afternoon. Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind 6 to 8 mph. Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Heat index values as high as 98. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 76. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. Friday: Sunny, with a high near 89. Friday Night: Partly cloudy, with a low around 69. Saturday: Sunny, with a high near 84. Saturday Night: Mostly cloudy, with a low around 71. Sunday: A 50 percent chance of showers after 8am. Partly sunny, with a high near 84. Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 71. Monday: Mostly sunny, with a high near 85. Monday Night: Partly cloudy, with a low around 69. Tuesday: Mostly sunny, with a high near 83. | |
| West Islip NY 40.72°N 73.31°W (Elev. 30 ft) | |
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