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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: 6:02 pm EST Jan 9, 2026 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
60% chance of rain on Tonight 90% chance of rain on Saturday 30% chance of rain on Sunday Sunny on Monday Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Thursday Partly Sunny on Friday
Low: 40°F High: 45°F High: 46°F High: 41°F High: 44°F High: 45°F High: 40°F High: 33°F
Low: 38°F Low: 28°F Low: 31°F Low: 35°F Low: 31°F Low: 22°F  
Rain Rain Rain Sunny Sunny Mostly Cloudy Mostly Cloudy Partly Sunny
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Current Conditions at
ISLIP - (KISP)
48°
Feels like 42°F
Cloudy
Light Rain
as of 7:56 PM EST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 9 Miles
Pressure: 30.06 in.
Flight Rule: IFR
Wind Data
15 MPH
220° Southwest
Cloud Level(s): Broken at 700ft, Broken at 2900ft, Solid Overcast at 4400ft
Current Conditions at
FARMINGDALE - (KFRG)
48°
Feels like 42°F
Cloudy
Light Rain
as of 7:53 PM EST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 9 Miles
Pressure: 30.06 in.
Flight Rule: IFR
Wind Data
14 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
48°
Feels like 43°F
Cloudy
as of 7:56 PM EST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 7 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 24 MPH
200° South
Cloud Level(s): Few at 600ft, Solid Overcast at 2900ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
46°
Feels like 40°F
Cloudy
as of 7:51 PM EST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
15 MPH
190° South
Cloud Level(s): Scattered at 500ft, Solid Overcast at 2700ft
60% chance of rain Tonight Tonight... Showers likely, mainly before 10pm. Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%.
90% chance of rain Saturday Saturday... Rain, mainly after 1pm. High near 45. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of rain Saturday Night Saturday Night... Rain. Low around 38. East wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
30% chance of rain Sunday Sunday... A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 46. West wind 8 to 18 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 28. West wind around 17 mph, with gusts as high as 31 mph.
Sunny on Monday Monday... Sunny, with a high near 41.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31.
Sunny on Tuesday Tuesday... Sunny, with a high near 44.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 35.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 45.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 31.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 40.
30% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Partly Sunny on Friday Friday... Partly sunny, with a high near 33.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:17 AM
Sunset: 4:44 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:21 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.