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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: 12:52 pm EST Nov 23, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thanksgiving Day Friday Saturday
Mostly Cloudy on This Afternoon Mostly Clear on Tonight Sunny on Monday 40% chance of rain on Tuesday 40% chance of rain on Wednesday Mostly Sunny on Thanksgiving Day Mostly Sunny on Friday Mostly Sunny on Saturday
High: 49°F Low: 38°F High: 50°F High: 56°F High: 59°F High: 44°F High: 42°F High: 43°F
Low: 39°F Low: 51°F Low: 38°F Low: 30°F Low: 31°F  
Mostly Cloudy Mostly Clear Sunny Rain Rain Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
ISLIP - (KISP)
48°
Feels like 43°F
Cloudy
as of 12:56 PM EST
Rel. Humidity: 57%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
12 MPH
220° Southwest
Cloud Level(s): Scattered at 5000ft, Solid Overcast at 8000ft
Current Conditions at
FARMINGDALE - (KFRG)
48°
Cloudy
as of 12:53 PM EST
Rel. Humidity: 61%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
8 MPH
220° Southwest
Cloud Level(s): Scattered at 4700ft, Solid Overcast at 8000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
46°
Cloudy
as of 12:56 PM EST
Rel. Humidity: 61%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
7 MPH
Gust: 16 MPH
230° Southwest
Cloud Level(s): Few at 5000ft, Few at 6500ft, Solid Overcast at 8000ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
46°
Clear
as of 12:51 PM EST
Rel. Humidity: 56%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Few at 5000ft, Broken at 8500ft, Broken at 12000ft, Broken at 25000ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 49. West wind around 10 mph, with gusts as high as 23 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 38. West wind around 10 mph, with gusts as high as 26 mph.
Sunny on Monday Monday... Sunny, with a high near 50. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Increasing Clouds on Monday Night Monday Night... Increasing clouds, with a low around 39. Calm wind becoming southwest around 5 mph after midnight.
40% chance of rain Tuesday Tuesday... A 40 percent chance of rain after 1pm. Cloudy, with a high near 56. South wind 6 to 11 mph.
90% chance of rain Tuesday Night Tuesday Night... Rain. Steady temperature around 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
40% chance of rain Wednesday Wednesday... A 40 percent chance of rain. Cloudy, with a high near 59.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 38.
Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 44.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 30.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 42. Breezy.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 31.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 43.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:49 AM
Sunset: 4:29 PM
Civil Sunrise:06:20 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 05:46 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 6:05 PM
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