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.

Mostly Cloudy

34°F

1°C

Humidity 61%
Wind Speed W 7 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 28 Dec 11:56 am EST
Extended Forecast for

North Patchogue NY

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 4pm. Mostly cloudy, with a steady temperature around 34. Southwest wind around 8 mph.

    High: 34 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Temperature rising to around 44 by 5am. Southwest wind 6 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F⇑

    Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 51. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 25. Wind chill values between 15 and 20. West wind 15 to 17 mph, with gusts as high as 32 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 33. Breezy, with a west wind 16 to 20 mph, with gusts as high as 37 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow. Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 4pm. Mostly cloudy, with a steady temperature around 34. Southwest wind around 8 mph.
Tonight
Rain, mainly before 4am. Temperature rising to around 44 by 5am. Southwest wind 6 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly after 7am. High near 51. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 25. Wind chill values between 15 and 20. West wind 15 to 17 mph, with gusts as high as 32 mph.
Tuesday
Mostly cloudy, with a high near 33. Breezy, with a west wind 16 to 20 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
A 30 percent chance of snow. Partly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Patchogue NY
 40.79°N 73°W (Elev. 52 ft)
Last Update:
9:53 am EST Dec 28, 2025
Forecast Valid:
12pm EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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Additional Resources

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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