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.

Partly Cloudy

79°F

26°C

Humidity 67%
Wind Speed N 7 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Aug 10:56 am EDT
Extended Forecast for

East Patchogue NY

  • Today

    Today: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. Northwest wind 10 to 14 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Northwest wind 3 to 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm after midnight.

    Low: 66 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 81. North wind 8 to 13 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. Northwest wind 10 to 14 mph.
Tonight
Partly cloudy, with a low around 68. Northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 83. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 81. North wind 8 to 13 mph.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 81.
Sunday Night
Showers, mainly after 8pm. Low around 71. Chance of precipitation is 80%.
Monday
Showers likely before 8am. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 72.98°W (Elev. 23 ft)
Last Update:
4:30 am EDT Aug 13, 2026
Forecast Valid:
11am EDT Aug 13, 2026-6pm EDT Aug 19, 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