National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

71°F

22°C

Humidity 63%
Wind Speed SW 18 G 30 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 28 Aug 11:56 pm EDT
Extended Forecast for

North Patchogue NY

  • Overnight

    Overnight: A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. South wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. West wind around 6 mph becoming north in the evening.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind around 7 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. West wind around 5 mph becoming light and variable.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 21 mph.
Friday
A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. South wind 9 to 11 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 57. West wind around 6 mph becoming north in the evening.
Saturday
Sunny, with a high near 75. Northwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 57. West wind around 5 mph becoming light and variable.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 57.
Labor Day
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Patchogue NY
 40.79°N 73°W (Elev. 52 ft)
Last Update:
9:32 pm EDT Aug 28, 2025
Forecast Valid:
12am EDT Aug 29, 2025-6pm EDT Sep 4, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation