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Islip, New York Weather Forecast
Islip, New York Weather
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Weather Forecast for Islip, New York : Suffolk County
Issued: 3:52 pm EST Jan 2, 2026 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Flurries on This Afternoon Flurries on Tonight Increasing Clouds on Saturday 20% chance of snow on Sunday Increasing Clouds on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday 20% chance of rain on Friday
High: 31°F Low: 18°F High: 31°F High: 34°F High: 33°F High: 42°F High: 45°F High: 45°F High: 48°F
Low: 22°F Low: 19°F Low: 24°F Low: 34°F Low: 32°F Low: 35°F  
Flurries Flurries Increasing Clouds Snow Increasing Clouds Mostly Cloudy Mostly Cloudy Mostly Sunny Rain
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Current Conditions at
ISLIP - (KISP)
30°
Feels like 21°F
Partly Cloudy
as of 3:56 PM EST
Rel. Humidity: 46%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: VFR
Wind Data
9 MPH
270° West
Cloud Level(s): Few at 4700ft, Scattered at 7000ft
Current Conditions at
FARMINGDALE - (KFRG)
28°
Feels like 19°F
Cloudy
as of 3:53 PM EST
Rel. Humidity: 50%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
10 MPH
280° West
Cloud Level(s): Few at 4800ft, Solid Overcast at 6000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
27°
Feels like 17°F
Mostly Clear
as of 3:56 PM EST
Rel. Humidity: 49%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 23 MPH
290° West
Cloud Level(s): Few at 7000ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
30°
Feels like 18°F
Mostly Cloudy
as of 3:51 PM EST
Rel. Humidity: 46%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
17 MPH
270° West
Cloud Level(s): Few at 4600ft, Broken at 6000ft
Flurries on This Afternoon This Afternoon... Scattered flurries. Partly sunny, with a high near 31. Wind chill values between 20 and 25. West wind around 15 mph.

Flurries on Tonight Tonight... Scattered flurries before 7pm. Partly cloudy, with a low around 18. Wind chill values between 10 and 15. West wind 8 to 10 mph, with gusts as high as 20 mph.

Increasing Clouds on Saturday Saturday... Increasing clouds, with a high near 31. Wind chill values between 10 and 20. West wind 8 to 10 mph.

50% chance of light snow Saturday Night Saturday Night... A slight chance of snow showers between 10pm and 1am, then a chance of light snow after 1am. Cloudy, with a low around 22. Northwest wind 3 to 5 mph. Chance of precipitation is 50%.

20% chance of snow Sunday Sunday... A 20 percent chance of light snow before 10am. Partly sunny, with a high near 34. Northwest wind 5 to 14 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 19.

Increasing Clouds on Monday Monday... Increasing clouds, with a high near 33.

Cloudy on Monday Night Monday Night... Cloudy, with a low around 24.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 42.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 45.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 32.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 45.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 35.

20% chance of rain Friday Friday... A chance of rain. Mostly cloudy, with a high near 48.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:17 AM
Sunset: 4:37 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:15 PM
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