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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: 1:53 am EST Nov 9, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Veterans Day Wednesday Thursday Friday Saturday
Cloudy on Overnight 70% chance of rain on Sunday 50% chance of rain on Monday Mostly Sunny on Veterans Day Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday
Low: 51°F High: 61°F High: 57°F High: 44°F High: 53°F High: 53°F High: 51°F High: 49°F
Low: 50°F Low: 31°F Low: 36°F Low: 41°F Low: 38°F Low: 33°F  
Cloudy Rain Rain Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
ISLIP - (KISP)
48°
Clear
as of 12:56 AM EST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FARMINGDALE - (KFRG)
48°
Mostly Cloudy
as of 1:13 AM EST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 400ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
43°
Clear
as of 12:56 AM EST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 7 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
52°
Cloudy
Mist
as of 1:35 AM EST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 3 Miles
Pressure: 29.90 in.
Flight Rule: MVFR
Wind Data
6 MPH
140° Southeast
Cloud Level(s): Scattered at 600ft, Scattered at 9000ft, Scattered at 19000ft, Scattered at 25000ft
Cloudy on Overnight Overnight... Partly cloudy, with a steady temperature around 51. Southeast wind around 6 mph.

70% chance of rain Sunday Sunday... Rain likely, mainly after 1pm. Increasing clouds, with a high near 61. Southeast wind 8 to 14 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

60% chance of rain Sunday Night Sunday Night... Rain likely, mainly after 1am. Cloudy, with a low around 50. East wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

50% chance of rain Monday Monday... A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 57. West wind 6 to 10 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 21 mph.

Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 44. Breezy.

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

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 53.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 41.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 53.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 38.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 51.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 33.

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

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:33 AM
Sunset: 4:40 PM
Civil Sunrise:06:04 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 04:59 AM
Astro Sunset: 6:14 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.