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

40°F

4°C

Humidity 68%
Wind Speed SW 8 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 6 Dec 4:56 pm EST
Extended Forecast for

East Patchogue NY

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 5 to 7 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

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

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32. Wind chill values between 15 and 20. North wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 42.

    High: 42 °F

    Increasing
    Clouds

  • Tuesday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Northwest wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 24. West wind 6 to 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 32. Wind chill values between 15 and 20. North wind 13 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 17. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
Increasing clouds, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 49.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 44.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Friday
A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 72.98°W (Elev. 23 ft)
Last Update:
4:40 pm EST Dec 6, 2025
Forecast Valid:
5pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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