Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

87°F

31°C

Humidity 70%
Wind Speed S 8 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 16 Jul 10:56 am EDT
Extended Forecast for

North Patchogue NY

Heat Advisory until July 17, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 17, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Today

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 2am and 5am.  Mostly cloudy, with a low around 75. Southwest wind around 7 mph.

    Low: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 8am.  Partly sunny, with a high near 87. Heat index values as high as 96. Southwest wind 7 to 13 mph.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. Southwest wind around 8 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 86. Northwest wind 7 to 9 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 86. Heat index values as high as 95. South wind 5 to 9 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 75. Southwest wind around 7 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 87. Heat index values as high as 96. Southwest wind 7 to 13 mph.
Thursday Night
Partly cloudy, with a low around 76. Southwest wind around 8 mph.
Friday
Sunny, with a high near 86. Northwest wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 71.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
North Patchogue NY
 40.77°N 73.03°W (Elev. 23 ft)
6:04 am EDT Jul 16, 2025
11am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
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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