Islip, New York Weather
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Weather Forecast for Islip, New York : Suffolk County
Issued: 3:08 pm EDT Aug 20, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
50% chance of thunderstorms on This Afternoon 70% chance of thunderstorms on Tonight 30% chance of thunderstorms on Thursday Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday 60% chance of on Monday Sunny on Tuesday Sunny on Wednesday
High: 75°F Low: 64°F High: 74°F High: 82°F High: 80°F High: 79°F High: 80°F High: 79°F High: 78°F
Low: 60°F Low: 66°F Low: 68°F Low: 67°F Low: 64°F Low: 61°F  
Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Mostly Sunny Partly Sunny Sunny Sunny
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Current Conditions at
ISLIP - (KISP)
68°
Cloudy
Light Rain Mist
as of 2:56 PM EDST
Rel. Humidity: 88%
Dew Point: 64°F
Visibility: 2 Miles
Pressure: 30.03 in.
Flight Rule: IFR
Wind Data
12 MPH
080° East
Cloud Level(s): Broken at 800ft, Solid Overcast at 2000ft
Current Conditions at
FARMINGDALE - (KFRG)
66°
Cloudy
Light Rain Mist
as of 3:07 PM EDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 4 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
9 MPH
080° East
Cloud Level(s): Broken at 600ft, Solid Overcast at 1200ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
64°
Cloudy
Rain Mist
as of 3:23 PM EDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 1 3/4 Miles
Pressure: 30.04 in.
Flight Rule: IFR
Wind Data
7 MPH
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
68°
Cloudy
Light Rain Mist
as of 2:51 PM EDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 5 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
15 MPH
Gust: 24 MPH
110° East
Cloud Level(s): Broken at 900ft, Broken at 1300ft, Solid Overcast at 3400ft
50% chance of thunderstorms This Afternoon This Afternoon... A chance of rain, with thunderstorms also possible after 5pm. Cloudy, with a high near 75. East wind around 15 mph. Chance of precipitation is 50%.
70% chance of thunderstorms Tonight Tonight... Rain likely and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms after 2am. Cloudy, with a low around 64. Northeast wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
30% chance of thunderstorms Thursday Thursday... A chance of rain and thunderstorms before 8am, then a chance of showers between 8am and 11am. Mostly cloudy, with a high near 74. Breezy, with a northeast wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Mostly Clear on Thursday Night Thursday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 60. North wind 15 to 17 mph, with gusts as high as 30 mph.
Sunny on Friday Friday... Sunny, with a high near 82. North wind 9 to 14 mph, with gusts as high as 24 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 66.
Sunny on Saturday Saturday... Sunny, with a high near 80.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 68.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 79.
60% chance of rain Sunday Night Sunday Night... Showers likely, mainly after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
60% chance of Monday Monday... Showers likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 64.
Sunny on Tuesday Tuesday... Sunny, with a high near 79.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 61.
Sunny on Wednesday Wednesday... Sunny, with a high near 78.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:09 AM
Sunset: 7:44 PM
Civil Sunrise:05:40 AM
Civil Sunset: 8:13 PM
Nautical Sunrise: 05:05 AM
Nautical Sunset: 8:47 PM
Astro Sunrise: 04:28 AM
Astro Sunset: 9:25 PM
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