| NWS Forecast for: Islip NY Issued by: National Weather Service New York, NY Last Update: 1:05 am EST Jan 24, 2026 | |
This Afternoon: Mostly sunny and cold, with a high near 19. Wind chill values between 5 and 10. North wind 8 to 10 mph, with gusts as high as 20 mph. Tonight: A 40 percent chance of snow after 4am. Mostly cloudy, with a low around 13. Wind chill values between 5 and 10. North wind around 6 mph. Sunday: Snow, mainly after 7am. The snow could be heavy at times. High near 31. Wind chill values between 5 and 15. Northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible. Sunday Night: Snow and sleet before 1am, then freezing rain and sleet between 1am and 4am, then snow, possibly mixed with freezing rain and sleet after 4am. Steady temperature around 29. Wind chill values between 15 and 20. Northeast wind 10 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible. Monday: Snow, possibly mixed with freezing rain and sleet, becoming all snow after 7am. High near 31. North wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible. Monday Night: Partly cloudy, with a low around 11. Tuesday: Mostly sunny, with a high near 21. Tuesday Night: Partly cloudy, with a low around 10. Wednesday: Mostly sunny, with a high near 25. Wednesday Night: Mostly cloudy, with a low around 10. Thursday: Partly sunny, with a high near 23. Thursday Night: Partly cloudy, with a low around 9. Friday: Mostly sunny, with a high near 25. | |
| Islip NY 40.73°N 73.22°W (Elev. 7 ft) | |
Visit your local NWS office at: https://www.weather.gov/okx/ |