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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: 6:54 pm EST Jan 7, 2026 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Tonight Sunny on Thursday 30% chance of rain on Friday 90% chance of rain on Saturday 40% chance of rain on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday
Low: 32°F High: 46°F High: 50°F High: 51°F High: 50°F High: 38°F High: 42°F High: 43°F
Low: 34°F Low: 44°F Low: 40°F Low: 28°F Low: 29°F Low: 31°F  
Cloudy Sunny Rain Rain Rain Sunny Mostly Sunny Partly Sunny
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Current Conditions at
ISLIP - (KISP)
43°
Feels like 35°F
Mostly Clear
as of 6:56 PM EST
Rel. Humidity: 70%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 18 MPH
310° Northwest
Cloud Level(s): Few at 3500ft
Current Conditions at
FARMINGDALE - (KFRG)
43°
Clear
as of 6:53 PM EST
Rel. Humidity: 70%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
5 MPH
Gust: 17 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
41°
Feels like 35°F
Clear
as of 6:56 PM EST
Rel. Humidity: 75%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
9 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
45°
Feels like 37°F
Partly Cloudy
as of 6:51 PM EST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
16 MPH
320° Northwest
Cloud Level(s): Scattered at 3500ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 32. Northwest wind 6 to 9 mph.

Sunny on Thursday Thursday... Sunny, with a high near 46. Northwest wind 3 to 6 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 34. Calm wind.

30% chance of rain Friday Friday... A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 50. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

60% chance of rain Friday Night Friday Night... Rain likely. Cloudy, with a low around 44. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Saturday Saturday... Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

90% chance of rain Saturday Night Saturday Night... Rain. Low around 40. Chance of precipitation is 90%.

40% chance of rain Sunday Sunday... A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 50.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 28.

Sunny on Monday Monday... Sunny, with a high near 38.

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

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 42.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 31.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 43.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:17 AM
Sunset: 4:42 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:19 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.