| NWS Forecast for: Islip NY Issued by: National Weather Service New York, NY Last Update: 1:10 am EST Jan 19, 2026 |  |
Overnight: A 20 percent chance of snow before 4am. Mostly cloudy, with a steady temperature around 29. Wind chill values between 20 and 25. West wind around 6 mph. M.L.King Day: Mostly cloudy through mid morning, then becoming sunny, with a high near 34. Wind chill values between 20 and 25. West wind 7 to 14 mph, with gusts as high as 24 mph. Monday Night: Mostly clear, with a low around 16. Wind chill values between 5 and 10. West wind 11 to 14 mph, with gusts as high as 30 mph. Tuesday: Sunny, with a high near 23. Wind chill values between 5 and 10. West wind 10 to 14 mph, with gusts as high as 28 mph. Tuesday Night: Mostly clear, with a low around 13. West wind 6 to 10 mph, with gusts as high as 21 mph. Wednesday: Mostly sunny, with a high near 38. Wednesday Night: Mostly cloudy, with a low around 30. Thursday: Partly sunny, with a high near 41. Thursday Night: Partly cloudy, with a low around 22. Friday: Partly sunny, with a high near 31. Friday Night: Mostly cloudy, with a low around 11. Saturday: Mostly sunny, with a high near 21. Saturday Night: Mostly cloudy, with a low around 7. Sunday: A 30 percent chance of snow. Partly sunny and cold, with a high near 20. | |
| Islip NY 40.73°N 73.22°W (Elev. 7 ft) | |
Visit your local NWS office at: https://www.weather.gov/okx/ |
