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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: 2:32 am EST Dec 10, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
60% chance of rain on This Afternoon 80% chance of rain on Tonight Mostly Sunny on Thursday Mostly Sunny on Friday Partly Sunny on Saturday 30% chance of snow on Sunday Sunny on Monday Partly Sunny on Tuesday
High: 48°F Low: 30°F High: 38°F High: 36°F High: 41°F High: 35°F High: 32°F High: 35°F
Low: 24°F Low: 26°F Low: 26°F Low: 19°F Low: 20°F  
Rain Rain Mostly Sunny Mostly Sunny Partly Sunny Snow Sunny Partly Sunny
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Current Conditions at
ISLIP - (KISP)
50°
Feels like 44°F
Mostly Cloudy
as of 11:56 AM EST
Rel. Humidity: 61%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.57 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 32 MPH
200° South
Cloud Level(s): Few at 2500ft, Scattered at 11000ft, Broken at 25000ft
Current Conditions at
FARMINGDALE - (KFRG)
46°
Feels like 38°F
Partly Cloudy
as of 11:53 AM EST
Rel. Humidity: 70%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.57 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 35 MPH
200° South
Cloud Level(s): Few at 2200ft, Scattered at 12000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
48°
Feels like 42°F
Clear
as of 11:56 AM EST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.58 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 28 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
45°
Feels like 35°F
Mostly Cloudy
as of 11:51 AM EST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.58 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 35 MPH
200° South
Cloud Level(s): Few at 2600ft, Broken at 12000ft, Broken at 25000ft
60% chance of rain This Afternoon This Afternoon... Rain likely, mainly after 4pm. Cloudy, with a high near 48. Breezy, with a southwest wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Tonight Tonight... Rain, mainly before 10pm. Low around 30. Southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Breezy, with a west wind 16 to 21 mph, with gusts as high as 34 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 24. Wind chill values between 10 and 20. Breezy, with a west wind 17 to 21 mph, with gusts as high as 37 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 36. West wind 13 to 16 mph, with gusts as high as 28 mph.
30% chance of snow Friday Night Friday Night... A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 41.
30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26.
30% chance of snow Sunday Sunday... A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 35.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 19.
Sunny on Monday Monday... Sunny, with a high near 32.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 20.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 35.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:06 AM
Sunset: 4:25 PM
Civil Sunrise:06:36 AM
Civil Sunset: 4:56 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:28 AM
Astro Sunset: 6:04 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.