HTTP/1.1 200 OK Server: Apache X-Content-Type-Options: nosniff X-XSS-Protection: 1; mode=block Content-Security-Policy: default-src 'none'; style-src 'self' code.jquery.com *.arcgis.com cdn.jsdelivr.net 'unsafe-inline'; script-src-elem 'self' https://*.weather.gov cdn.gov.cfigroup.com *.digitalgov.gov *.google-analytics.com *.arcgis.com code.jquery.com www.googletagmanager.com s.go-mpulse.net 'unsafe-inline'; img-src 'self' data: *.ncep.noaa.gov *.noaa.gov *.weather.gov *.arcgisonline.com *.arcgis.com maps.google.com; connect-src 'self' *.google-analytics.com *.arcgis.com opengeo.ncep.noaa.gov *.weather.gov; font-src 'self' cdn.jsdelivr.net; script-src 'unsafe-eval' 'unsafe-inline' Referrer-Policy: strict-origin-when-cross-origin Strict-Transport-Security: max-age=31536000; includeSubdomains; preload; Access-Control-Allow-Origin: * Content-Type: text/html; charset=UTF-8 Cache-Control: max-age=900 Expires: Fri, 05 Dec 2025 07:20:52 GMT Date: Fri, 05 Dec 2025 07:05:52 GMT Transfer-Encoding: chunked Connection: keep-alive Connection: Transfer-Encoding National Weather Service
National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 40.73°N 73.22°W (Text-Only)
NWS Forecast for: Islip NY
Issued by: National Weather Service New York, NY
Last Update: 2:01 am EST Dec 5, 2025		Print

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. Wind chill values between 10 and 15. North wind 9 to 11 mph.

    Low: 18 °F

    Mostly Cloudy



  • Friday

    Friday: Increasing clouds, with a high near 35. Wind chill values between 10 and 20. Light and variable wind becoming east around 6 mph in the morning.

    High: 35 °F

    Increasing
    Clouds


  • Friday
    Night

    Friday Night: A chance of snow after 10pm, mixing with freezing rain after 1am. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Light
    Snow then
    Chance Wintry
    Mix

  • Saturday

    Saturday: A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 10am. Mostly cloudy, with a high near 43. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 29. West wind around 6 mph.

    Low: 29 °F

    Partly Cloudy



  • Sunday

    Sunday: Increasing clouds, with a high near 41.

    High: 41 °F

    Increasing
    Clouds


  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy



  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny



  • Monday
    Night

    Monday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear



    • Overnight: Mostly cloudy, with a low around 18. Wind chill values between 10 and 15. North wind 9 to 11 mph.

    Friday: Increasing clouds, with a high near 35. Wind chill values between 10 and 20. Light and variable wind becoming east around 6 mph in the morning.

    Friday Night: A chance of snow after 10pm, mixing with freezing rain after 1am. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%.

    Saturday: A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 10am. Mostly cloudy, with a high near 43. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

    Saturday Night: Partly cloudy, with a low around 29. West wind around 6 mph.

    Sunday: Increasing clouds, with a high near 41.

    Sunday Night: Mostly cloudy, with a low around 25.

    Monday: Mostly sunny, with a high near 36.

    Monday Night: Mostly clear, with a low around 18.

    Tuesday: Partly sunny, with a high near 40.

    Tuesday Night: Mostly cloudy, with a low around 31.

    Wednesday: A 30 percent chance of rain. Mostly cloudy, with a high near 50.

    Wednesday Night: Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 46.


    Islip NY
     40.73°N 73.22°W (Elev. 7 ft)

    Visit your local NWS office at: https://www.weather.gov/okx/