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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: 9:44 am EST Jan 19, 2026 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
M.L.King Day Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Sunny on M.L.King Day Mostly Clear on Tonight Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday Partly Sunny on Friday Mostly Sunny on Saturday 30% chance of snow on Sunday
High: 33°F Low: 16°F High: 23°F High: 38°F High: 41°F High: 31°F High: 21°F High: 20°F
  Low: 13°F Low: 35°F Low: 22°F Low: 11°F Low: 7°F  
Mostly Sunny Mostly Clear Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Snow
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Current Conditions at
ISLIP - (KISP)
28°
Feels like 16°F
Mostly Clear
as of 11:56 AM EST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
16 MPH
270° West
Cloud Level(s): Few at 2300ft, Few at 10000ft
Current Conditions at
FARMINGDALE - (KFRG)
28°
Feels like 15°F
Clear
as of 11:53 AM EST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 25 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
28°
Feels like 17°F
Mostly Clear
as of 11:56 AM EST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 24 MPH
290° West
Cloud Level(s): Few at 2100ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
28°
Feels like 16°F
Mostly Clear
as of 11:51 AM EST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
16 MPH
250° West
Cloud Level(s): Few at 9000ft
Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 33. Wind chill values between 20 and 25. West wind around 15 mph, with gusts as high as 26 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 16. Wind chill values between 5 and 10. West wind 11 to 14 mph, with gusts as high as 29 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 23. Wind chill values between 5 and 10. West wind 10 to 14 mph, with gusts as high as 28 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 13. Wind chill values between 5 and 10. West wind 6 to 10 mph, with gusts as high as 21 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 38. West wind 5 to 11 mph becoming south in the afternoon.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a steady temperature around 35.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 41.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 22.

Partly Sunny on Friday Friday... Partly sunny, with a high near 31.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 11.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 21.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 7.

30% chance of snow Sunday Sunday... A 30 percent chance of snow. Partly sunny and cold, with a high near 20.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:13 AM
Sunset: 4:55 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:24 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:58 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:31 PM
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