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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: 7:42 am EST Dec 7, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Partly Sunny on Today Cloudy on Tonight Mostly Sunny on Monday Increasing Clouds on Tuesday 40% chance of rain on Wednesday Mostly Sunny on Thursday 40% chance of rain & snow on Friday 30% chance of snow on Saturday
High: 42°F Low: 25°F High: 31°F High: 41°F High: 49°F High: 44°F High: 41°F High: 35°F
Low: 16°F Low: 32°F Low: 35°F Low: 31°F Low: 24°F  
Partly Sunny Cloudy Mostly Sunny Increasing Clouds Rain Mostly Sunny Rain & Snow Snow
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Current Conditions at
ISLIP - (KISP)
43°
Partly Cloudy
as of 9:56 AM EST
Rel. Humidity: 60%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 3500ft, Scattered at 25000ft
Current Conditions at
FARMINGDALE - (KFRG)
41°
Clear
as of 9:53 AM EST
Rel. Humidity: 56%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
39°
Clear
as of 9:56 AM EST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
41°
Mostly Cloudy
as of 9:51 AM EST
Rel. Humidity: 52%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 3500ft, Scattered at 15000ft, Broken at 25000ft
Partly Sunny on Today Today... Partly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 25. Wind chill values between 20 and 25. West wind 6 to 14 mph, with gusts as high as 28 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 31. Wind chill values between 15 and 20. North wind 11 to 16 mph, with gusts as high as 30 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16. North wind 5 to 9 mph becoming light after midnight.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 41. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

40% chance of rain Wednesday Wednesday... A 40 percent chance of rain. Mostly cloudy, with a high near 49.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 35.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 44.

30% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

40% chance of rain & snow Friday Friday... A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

40% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

30% chance of snow Saturday Saturday... A 30 percent chance of snow. Partly sunny, with a high near 35.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:04 AM
Sunset: 4:25 PM
Civil Sunrise:06:33 AM
Civil Sunset: 4:56 PM
Nautical Sunrise: 05:59 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:26 AM
Astro Sunset: 6:03 PM
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