| NWS Forecast for: Islip, Long Island Mac Arthur Airport NY Issued by: National Weather Service New York, NY Last Update: 2:02 pm EDT Jul 13, 2025 |  |
Tonight: Patchy drizzle after 5am. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 22. Southeast wind 9 to 14 km/h becoming light south after midnight. Monday: Patchy drizzle before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 28. South wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon. Chance of precipitation is 20%. Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Southwest wind 8 to 13 km/h. Tuesday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Mostly cloudy, with a high near 30. Light southwest wind becoming south 9 to 14 km/h in the morning. Chance of precipitation is 40%. Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 24. Southwest wind 8 to 11 km/h. Wednesday: Mostly sunny, with a high near 31. Wednesday Night: A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 24. Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 31. Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 25. Friday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 33. Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 23. Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 31. Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 22. Sunday: Mostly sunny, with a high near 29. | |
| Islip, Long Island Mac Arthur Airport NY 40.81°N 73.11°W (Elev. 98 m) | |
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