Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

69°F

21°C

Humidity 41%
Wind Speed SW 13 mph
Barometer 30.26 in (1024.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 9 Jun 8:56 am EDT
Extended Forecast for

Holbrook NY

  • Today

    Today: Sunny, with a high near 78. South wind 10 to 15 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. Southwest wind 7 to 13 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 74. South wind 8 to 13 mph.  Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms after 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 66. Southwest wind 9 to 11 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88. Southwest wind 7 to 9 mph.  Chance of precipitation is 50%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. South wind 10 to 15 mph.
Tonight
Increasing clouds, with a low around 62. Southwest wind 7 to 13 mph.
Wednesday
A chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 74. South wind 8 to 13 mph. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 66. Southwest wind 9 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Southwest wind 7 to 9 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 85.
Friday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Holbrook NY
 40.8°N 73.06°W (Elev. 66 ft)
3:26 am EDT Jun 9, 2026
9am EDT Jun 9, 2026-6pm EDT Jun 15, 2026
 
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Additional Resources

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