Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

10°F

-12°C

Humidity 69%
Wind Speed W 6 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 29 Jan 6:56 am EST
Extended Forecast for

Patchogue NY

Cold Weather Advisory January 30, 12:00am until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Today

    Today: Mostly sunny, with a high near 22. Wind chill values between zero and 10. Northwest wind 7 to 11 mph.

    High: 22 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values between -5 and zero. Northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 18. Wind chill values between -5 and 5. West wind 9 to 13 mph.

    High: 18 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5. West wind 5 to 9 mph becoming light northwest.

    Low: 5 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 21. North wind 5 to 8 mph.

    High: 21 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am.  Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm.  Cloudy, with a high near 25. Blustery.  Chance of precipitation is 60%.

    High: 25 °F

    Snow Likely
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 22. Wind chill values between zero and 10. Northwest wind 7 to 11 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values between -5 and zero. Northwest wind around 10 mph, with gusts as high as 21 mph.
Friday
Sunny and cold, with a high near 18. Wind chill values between -5 and 5. West wind 9 to 13 mph.
Friday Night
Partly cloudy, with a low around 5. West wind 5 to 9 mph becoming light northwest.
Saturday
Partly sunny, with a high near 21. North wind 5 to 8 mph.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 13.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 25. Blustery. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
1:43 am EST Jan 29, 2026
7am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
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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