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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: 9:16 am EST Jan 9, 2026 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on This Afternoon 60% chance of rain on Tonight 70% chance of rain on Saturday 40% chance of rain on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday 30% chance of rain on Thursday
High: 52°F Low: 41°F High: 48°F High: 46°F High: 40°F High: 44°F High: 45°F High: 40°F
Low: 41°F Low: 28°F Low: 31°F Low: 35°F Low: 32°F  
Mostly Cloudy Rain Rain Rain Sunny Mostly Sunny Mostly Cloudy Rain
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Current Conditions at
ISLIP - (KISP)
50°
Feels like 45°F
Mostly Cloudy
as of 11:56 AM EST
Rel. Humidity: 76%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: MVFR
Wind Data
13 MPH
190° South
Cloud Level(s): Broken at 1500ft, Broken at 19000ft
Current Conditions at
FARMINGDALE - (KFRG)
48°
Feels like 41°F
Cloudy
as of 11:53 AM EST
Rel. Humidity: 76%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: MVFR
Wind Data
17 MPH
170° South
Cloud Level(s): Solid Overcast at 1400ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
48°
Feels like 42°F
Partly Cloudy
as of 12:27 PM EST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 25 MPH
200° South
Cloud Level(s): Scattered at 1300ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
48°
Feels like 42°F
Mostly Cloudy
as of 12:03 PM EST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: MVFR
Wind Data
13 MPH
160° South
Cloud Level(s): Broken at 1500ft, Broken at 19000ft, Broken at 25000ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 52. South wind around 10 mph, with gusts as high as 20 mph.

60% chance of rain Tonight Tonight... Showers likely, mainly before 9pm. Cloudy, with a low around 41. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

70% chance of rain Saturday Saturday... Rain likely, mainly after 3pm. Cloudy, with a steady temperature around 43. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain Saturday Night Saturday Night... Rain. Steady temperature around 41. East wind around 6 mph becoming northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

40% chance of rain Sunday Sunday... A chance of rain before noon, then a chance of showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. West wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

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

Sunny on Monday Monday... Sunny, with a high near 40.

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

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 44.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 35.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 45.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 32.

30% chance of rain Thursday Thursday... A 30 percent chance of showers. Mostly cloudy, with a high near 40.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 07:17 AM
Sunset: 4:44 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:21 PM
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