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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: 6:44 am EST Dec 4, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Today Mostly Clear on Tonight 20% chance of snow on Friday 20% chance of light rain on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 30% chance of rain on Wednesday
High: 41°F Low: 18°F High: 37°F High: 42°F High: 42°F High: 32°F High: 41°F High: 46°F
Low: 30°F Low: 29°F Low: 23°F Low: 19°F Low: 30°F  
Mostly Cloudy Mostly Clear Snow Light Rain Partly Sunny Mostly Sunny Partly Sunny Rain
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Current Conditions at
ISLIP - (KISP)
36°
Mostly Cloudy
as of 7:56 AM EST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
8 MPH
260° West
Cloud Level(s): Scattered at 11000ft, Broken at 25000ft
Current Conditions at
FARMINGDALE - (KFRG)
34°
Feels like 26°F
Mostly Cloudy
as of 7:53 AM EST
Rel. Humidity: 69%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
9 MPH
260° West
Cloud Level(s): Broken at 12000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
34°
Clear
as of 7:56 AM EST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
7 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
36°
Feels like 28°F
Mostly Cloudy
as of 7:51 AM EST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
10 MPH
290° West
Cloud Level(s): Few at 6500ft, Scattered at 12000ft, Broken at 25000ft
Mostly Cloudy on Today Today... Mostly cloudy, then gradually becoming sunny, with a high near 41. Breezy, with a northwest wind 10 to 20 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 18. Wind chill values between 10 and 15. Blustery, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.

20% chance of snow Friday Friday... A 20 percent chance of light snow after 4pm. Increasing clouds, with a high near 37. Wind chill values between 10 and 20. Light and variable wind becoming southeast around 6 mph in the morning.

40% chance of snow Friday Night Friday Night... A 40 percent chance of light snow, mainly after 7pm. Mostly cloudy, with a low around 30. Light and variable wind.

20% chance of light rain Saturday Saturday... A 20 percent chance of light rain before 1pm. Mostly cloudy, with a high near 42. Light and variable wind becoming west 5 to 8 mph in the morning.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 29.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 42.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 23.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 32.

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

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41.

30% chance of snow Tuesday Night Tuesday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 30.

30% chance of rain Wednesday Wednesday... A 30 percent chance of rain. Partly sunny, with a high near 46.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:01 AM
Sunset: 4:25 PM
Civil Sunrise:06:30 AM
Civil Sunset: 4:56 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:23 AM
Astro Sunset: 6:03 PM
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