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.

A Few Clouds

63°F

17°C

Humidity 52%
Wind Speed NE 8 mph
Barometer 30.20 in (1022.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Oct 12:56 pm EDT
Extended Forecast for

North Patchogue NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 62. Northeast wind 6 to 8 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 51. Southeast wind 5 to 8 mph.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely before 2pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 45. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Saturday

    Saturday: Showers likely before 8am. Partly sunny, with a high near 54. North wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 62. Northeast wind 6 to 8 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 51. Southeast wind 5 to 8 mph.
Friday
Showers likely before 2pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms. Low around 45. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely before 8am. Partly sunny, with a high near 54. North wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Patchogue NY
 40.77°N 73.03°W (Elev. 23 ft)
Last Update:
7:44 am EDT Oct 15, 2026
Forecast Valid:
1pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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