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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: 12:56 pm EST Nov 19, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Partly Sunny on This Afternoon Increasing Clouds on Tonight Mostly Cloudy on Thursday 20% chance of rain on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
High: 47°F Low: 35°F High: 49°F High: 54°F High: 52°F High: 49°F High: 55°F High: 55°F
Low: 37°F Low: 43°F Low: 33°F Low: 40°F Low: 41°F  
Partly Sunny Increasing Clouds Mostly Cloudy Rain Partly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
ISLIP - (KISP)
48°
Mostly Clear
as of 12:56 PM EST
Rel. Humidity: 66%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
7 MPH
050° Northeast
Cloud Level(s): Broken at 2200ft, Broken at 4300ft, Broken at 6500ft, Broken at 15000ft, Broken at 25000ft
Current Conditions at
FARMINGDALE - (KFRG)
46°
Cloudy
as of 12:53 PM EST
Rel. Humidity: 70%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: MVFR
Wind Data
6 MPH
Cloud Level(s): Solid Overcast at 2000ft
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: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 2400ft, Solid Overcast at 6000ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
45°
Mostly Cloudy
as of 12:51 PM EST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
8 MPH
020° North
Cloud Level(s): Broken at 1800ft, Broken at 7500ft
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 47. Northeast wind around 7 mph.
Increasing Clouds on Tonight Tonight... Patchy frost between 9pm and 1am. Otherwise, increasing clouds, with a low around 35. Calm wind becoming north around 5 mph after midnight.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, then gradually becoming sunny, with a high near 49. North wind around 6 mph becoming calm in the afternoon.
Increasing Clouds on Thursday Night Thursday Night... Increasing clouds, with a low around 37. Calm wind.
20% chance of rain Friday Friday... A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 54. Light southwest wind increasing to 5 to 10 mph in the morning.
60% chance of rain Friday Night Friday Night... Rain likely, mainly after 1am. Cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 52.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 33.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 49.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 40.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 55.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 41.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 55.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:45 AM
Sunset: 4:32 PM
Civil Sunrise:06:15 AM
Civil Sunset: 5:01 PM
Nautical Sunrise: 05:42 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:09 AM
Astro Sunset: 6:07 PM
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