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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: 10:11 am EST Nov 21, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thanksgiving Day
20% chance of on This Afternoon 70% chance of rain on Tonight 30% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday 30% chance of rain on Tuesday 50% chance of rain on Wednesday Partly Sunny on Thanksgiving Day
High: 53°F Low: 43°F High: 51°F High: 48°F High: 53°F High: 57°F High: 59°F High: 53°F
Low: 32°F Low: 38°F Low: 40°F Low: 48°F Low: 43°F  
Cloudy Rain Rain Mostly Sunny Sunny Rain Rain Partly Sunny
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Current Conditions at
ISLIP - (KISP)
52°
Cloudy
as of 11:56 AM EST
Rel. Humidity: 71%
Dew Point: 43°F
Visibility: 9 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Scattered at 2100ft, Solid Overcast at 3500ft
Current Conditions at
FARMINGDALE - (KFRG)
48°
Feels like 43°F
Cloudy
Haze
as of 12:03 PM EST
Rel. Humidity: 76%
Dew Point: 41°F
Visibility: 5 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
12 MPH
230° Southwest
Cloud Level(s): Broken at 2100ft, Solid Overcast at 2600ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
48°
Cloudy
as of 11:56 AM EST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 7 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
7 MPH
250° West
Cloud Level(s): Broken at 1900ft, Solid Overcast at 3900ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
48°
Feels like 43°F
Cloudy
as of 11:51 AM EST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: MVFR
Wind Data
10 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 2100ft
20% chance of This Afternoon This Afternoon... A chance of sprinkles before 1pm. Cloudy, with a high near 53. Southwest wind around 10 mph.
70% chance of rain Tonight Tonight... Rain likely after 1am. Cloudy, with a low around 43. West wind around 6 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
30% chance of rain Saturday Saturday... A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 51. North wind 6 to 10 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 32. North wind 6 to 8 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 48. Northwest wind 5 to 9 mph becoming west in the afternoon.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 38.
Sunny on Monday Monday... Sunny, with a high near 53.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 40.
30% chance of rain Tuesday Tuesday... A 30 percent chance of rain after 1pm. Cloudy, with a high near 57.
70% chance of rain Tuesday Night Tuesday Night... Rain likely. Cloudy, with a low around 48. Chance of precipitation is 70%.
50% chance of rain Wednesday Wednesday... A 50 percent chance of rain. Mostly cloudy, with a high near 59.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Partly Sunny on Thanksgiving Day Thanksgiving Day... Partly sunny, with a high near 53.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:47 AM
Sunset: 4:30 PM
Civil Sunrise:06:17 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 05:44 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:11 AM
Astro Sunset: 6:06 PM
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