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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: 4:11 am EST Nov 13, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on Today Mostly Clear on Tonight Mostly Sunny on Friday Mostly Sunny on Saturday 50% chance of rain on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
High: 52°F Low: 37°F High: 49°F High: 53°F High: 59°F High: 49°F High: 50°F High: 50°F
Low: 32°F Low: 50 °F Low: 37°F Low: 35°F Low: 36°F  
Mostly Sunny Mostly Clear Mostly Sunny Mostly Sunny Rain Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
ISLIP - (KISP)
48°
Feels like 43°F
Mostly Cloudy
as of 7:56 AM EST
Rel. Humidity: 57%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
12 MPH
250° West
Cloud Level(s): Few at 3400ft, Few at 6500ft, Broken at 8000ft
Current Conditions at
FARMINGDALE - (KFRG)
48°
Cloudy
as of 7:53 AM EST
Rel. Humidity: 53%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
45°
Cloudy
as of 7:56 AM EST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Solid Overcast at 8000ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
48°
Feels like 41°F
Mostly Cloudy
as of 7:51 AM EST
Rel. Humidity: 53%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
21 MPH
260° West
Cloud Level(s): Few at 4000ft, Broken at 6000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 52. West wind 13 to 16 mph, with gusts as high as 30 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 37. Northwest wind 10 to 14 mph, with gusts as high as 28 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 49. Northwest wind 10 to 14 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 32. Northwest wind 7 to 10 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 53. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

80% chance of rain Saturday Night Saturday Night... Showers. Temperature rising to around 50 by 3am. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

50% chance of rain Sunday Sunday... A 50 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 59.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 37.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 49.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 35.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 50.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 50.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:38 AM
Sunset: 4:36 PM
Civil Sunrise:06:09 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:36 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 6:11 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.