Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

70°F

21°C

Humidity 84%
Wind Speed SW 8 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Jun 5:56 am EDT
Extended Forecast for

Islip NY

  • Today

    Today: Sunny, with a high near 81. South wind 8 to 14 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind 7 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85. South wind 7 to 13 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Southwest wind 8 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Southwest wind 9 to 14 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. South wind 8 to 14 mph.
Tonight
Partly cloudy, with a low around 66. South wind 7 to 10 mph.
Juneteenth
Mostly sunny, with a high near 85. South wind 7 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 67. Southwest wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 86. Southwest wind 9 to 14 mph.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 68.
Saturday
Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 70.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 83.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Islip NY
 40.73°N 73.22°W (Elev. 7 ft)
5:55 am EDT Jun 18, 2024
6am EDT Jun 18, 2024-6pm EDT Jun 24, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database