I-495 NY weather conditions near Islip, New York
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 67°F 2025-07-23T06:56:00-04:00 
Today 2025-07-23, Mostly Sunny. Mostly sunny, with a high near 82. Calm wind becoming south 5 to 9 mph in the afternoon.
Tonight 2025-07-23, Mostly Clear. Mostly clear, with a low around 70. South wind 6 to 8 mph.
Thursday 2025-07-24, Sunny. Sunny, with a high near 83. South wind 6 to 14 mph.- Thursday Night 2025-07-24, Mostly Clear. Mostly clear, with a low around 73. Southwest wind 10 to 14 mph.
Friday 2025-07-25, Sunny then Slight Chance T-storms. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 89. Southwest wind 9 to 14 mph. Chance of precipitation is 20%.
Friday Night 2025-07-25, Chance Showers. A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.- Saturday 2025-07-26, Partly Sunny. Partly sunny, with a high near 85.
- Saturday Night 2025-07-26, Chance Showers. A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 72.
Sunday 2025-07-27, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Sunday Night 2025-07-27, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
- Monday 2025-07-28, Mostly Sunny. Mostly sunny, with a high near 82.
Monday Night 2025-07-28, Partly Cloudy. Partly cloudy, with a low around 71.- Tuesday 2025-07-29, Sunny. Sunny, with a high near 87.