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Islip, New York Weather Forecast
Islip, New York Weather
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Click for Special Weather Statement for Islip, New York
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Weather Forecast for Islip, New York : Suffolk County
Issued: 3:11 am EST Dec 3, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today Mostly Clear on Tonight Increasing Clouds on Thursday 20% chance of snow on Friday 30% chance of light rain on Saturday Partly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
High: 43°F Low: 30°F High: 40°F High: 33°F High: 41°F High: 41°F High: 35°F High: 39°F
Low: 17°F Low: 27°F Low: 29°F Low: 25°F Low: 21°F  
Sunny Mostly Clear Increasing Clouds Snow Light Rain Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
ISLIP - (KISP)
36°
Feels like 26°F
Mostly Clear
as of 6:56 AM EST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 21 MPH
350° North
Cloud Level(s): Few at 3500ft
Current Conditions at
FARMINGDALE - (KFRG)
34°
Cloudy
as of 6:53 AM EST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: MVFR
Wind Data
8 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 2200ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
32°
Feels like 24°F
Clear
as of 6:56 AM EST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
9 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
32°
Feels like 22°F
Mostly Clear
as of 6:51 AM EST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
14 MPH
330° Northwest
Cloud Level(s): Few at 3500ft
Sunny on Today Today... Sunny, with a high near 43. North wind 6 to 10 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 3 to 8 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 40. Wind chill values between 20 and 30. West wind 9 to 16 mph, with gusts as high as 28 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 17. Wind chill values between 10 and 15. Northwest wind 6 to 16 mph, with gusts as high as 29 mph.
20% chance of snow Friday Friday... A 20 percent chance of light snow after 4pm. Increasing clouds, with a high near 33. North wind 5 to 8 mph becoming south in the afternoon.
40% chance of snow Friday Night Friday Night... A 40 percent chance of light snow after 7pm. Mostly cloudy, with a low around 27.
30% chance of light rain Saturday Saturday... A 30 percent chance of light rain before 1pm. Partly sunny, with a high near 41.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 29.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 41.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 25.
Partly Sunny on Monday Monday... Partly sunny, with a high near 35.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 21.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 39.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:00 AM
Sunset: 4:26 PM
Civil Sunrise:06:30 AM
Civil Sunset: 4:56 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:22 AM
Astro Sunset: 6:03 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.