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.

Light Rain

39°F

4°C

Humidity 86%
Wind Speed NW 6 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Wind Chill35°F (2°C)
Last update 6 Dec 8:56 am EST
Extended Forecast for

East Patchogue NY

  • Today

    Today: A chance of drizzle, mainly before 10am. Mostly cloudy, with a high near 42. Light and variable wind becoming west 5 to 8 mph in the morning.

    High: 42 °F

    Chance
    Drizzle

  • Tonight

    Tonight: Partly cloudy, with a low around 28. West wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Wind chill values between 15 and 20. West wind 6 to 14 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33. North wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
A chance of drizzle, mainly before 10am. Mostly cloudy, with a high near 42. Light and variable wind becoming west 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 28. West wind around 6 mph.
Sunday
Partly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 24. Wind chill values between 15 and 20. West wind 6 to 14 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 33. North wind 13 to 17 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 49.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 43.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 30%.
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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:
7:42 am EST Dec 6, 2025
Forecast Valid:
9am EST Dec 6, 2025-6pm EST Dec 12, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation