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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: 1:00 am EST Nov 26, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

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Today Tonight Thanksgiving Day Friday Saturday Sunday Monday Tuesday
60% chance of rain on Today 30% chance of rain on Tonight Mostly Sunny on Thanksgiving Day Mostly Sunny on Friday Sunny on Saturday Mostly Cloudy on Sunday 40% chance of rain on Monday 60% chance of rain on Tuesday
High: 60°F Low: 36°F High: 45°F High: 43°F High: 43°F High: 53°F High: 51°F High: 44°F
Low: 30°F Low: 30°F Low: 32°F Low: 41°F Low: 33°F  
Rain Rain Mostly Sunny Mostly Sunny Sunny Mostly Cloudy Rain Rain
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Current Conditions at
ISLIP - (KISP)
55°
Cloudy
Mist
as of 6:16 AM EST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 1 Miles
Pressure: 29.85 in.
Flight Rule: LIFR
Wind Data
7 MPH
190° South
Cloud Level(s): Broken at 200ft, Broken at 1600ft, Solid Overcast at 9000ft
Current Conditions at
FARMINGDALE - (KFRG)
54°
Cloudy
Mist
as of 6:40 AM EST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 4 Miles
Pressure: 29.86 in.
Flight Rule: MVFR
Wind Data
7 MPH
190° South
Cloud Level(s): Few at 200ft, Broken at 1200ft, Solid Overcast at 8500ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
54°
Cloudy
Mist
as of 6:35 AM EST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 3 Miles
Pressure: 29.87 in.
Flight Rule: LIFR
Wind Data
7 MPH
200° South
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
54°
Mostly Cloudy
Mist
as of 6:19 AM EST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 6 Miles
Pressure: 29.86 in.
Flight Rule: MVFR
Wind Data
9 MPH
220° Southwest
Cloud Level(s): Broken at 2200ft, Broken at 8500ft
60% chance of rain Today Today... Showers likely, mainly before 1pm. Patchy fog before 1pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 60. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

30% chance of rain Tonight Tonight... A 30 percent chance of showers before 10pm. Patchy fog before 10pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 36. West wind 7 to 17 mph, with gusts as high as 33 mph.

Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 45. Breezy, with a west wind 16 to 20 mph, with gusts as high as 33 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 30. Wind chill values between 15 and 25. Breezy, with a west wind 18 to 20 mph, with gusts as high as 36 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 25 mph, with gusts as high as 45 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 30. Breezy.

Sunny on Saturday Saturday... Sunny, with a high near 43.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 32.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 53.

50% chance of rain Sunday Night Sunday Night... A 50 percent chance of rain. Cloudy, with a low around 41.

40% chance of rain Monday Monday... A 40 percent chance of rain. Cloudy, with a high near 51.

50% chance of rain Monday Night Monday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 33.

60% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:53 AM
Sunset: 4:28 PM
Civil Sunrise:06:23 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 6:04 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.