NWS Forecast for: Islip, Long Island Mac Arthur Airport NY
Issued by: National Weather Service New York, NY
Last Update: 7:52 pm EDT May 21, 2018
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  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Calm wind.

    Mostly Cloudy


    Low: 54 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after noon.  Cloudy, with a high near 66. Southeast wind 3 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Cloudy then
    Showers
    Likely

    High: 66 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Cloudy, with a low around 57. Southeast wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 57 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers before 11am.  Partly sunny, with a high near 77. West wind 5 to 9 mph.

    Slight Chance
    Showers then
    Mostly Sunny

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 58. Northwest wind around 6 mph.

    Mostly Clear


    Low: 58 °F

  • Thursday

    Thursday: Sunny, with a high near 72.

    Sunny


    High: 72 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 58.

    Clear


    Low: 58 °F

  • Friday

    Friday: Sunny, with a high near 79.

    Sunny


    High: 79 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 61.

    Partly Cloudy


    Low: 61 °F

  • Overnight: Mostly cloudy, with a low around 54. Calm wind.

    Tuesday: Showers likely and possibly a thunderstorm, mainly after noon. Cloudy, with a high near 66. Southeast wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Cloudy, with a low around 57. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Wednesday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 77. West wind 5 to 9 mph.

    Wednesday Night: Mostly clear, with a low around 58. Northwest wind around 6 mph.

    Thursday: Sunny, with a high near 72.

    Thursday Night: Clear, with a low around 58.

    Friday: Sunny, with a high near 79.

    Friday Night: Partly cloudy, with a low around 61.

    Saturday: Mostly sunny, with a high near 78.

    Saturday Night: Mostly cloudy, with a low around 60.

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

    Memorial Day: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69.



    Islip, Long Island Mac Arthur Airport NY
     40.81°N 73.11°W (Elev. 98 ft)

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