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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: 5:58 pm EST Nov 7, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Veterans Day Wednesday Thursday Friday
80% chance of rain on Overnight 40% chance of rain on Saturday 80% chance of rain on Sunday 30% chance of rain on Monday Mostly Sunny on Veterans Day Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday
Low: 55°F High: 64°F High: 61°F High: 55°F High: 45°F High: 55°F High: 53°F High: 50°F
Low: 47°F Low: 48°F Low: 30°F Low: 37°F Low: 41°F Low: 37°F  
Rain Rain Rain Rain Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
ISLIP - (KISP)
63°
Cloudy
as of 11:56 PM EST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: MVFR
Wind Data
15 MPH
220° Southwest
Cloud Level(s): Broken at 1900ft, Solid Overcast at 3900ft
Current Conditions at
FARMINGDALE - (KFRG)
57°
Partly Cloudy
as of 11:53 PM EST
Rel. Humidity: 87%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Few at 4300ft, Scattered at 12000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
61°
Cloudy
as of 11:56 PM EST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.69 in.
Flight Rule: MVFR
Wind Data
7 MPH
Gust: 24 MPH
Cloud Level(s): Broken at 2000ft, Broken at 3200ft, Solid Overcast at 4400ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
57°
Cloudy
as of 11:51 PM EST
Rel. Humidity: 71%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Few at 4500ft, Broken at 9500ft, Solid Overcast at 12000ft
80% chance of rain Overnight Overnight... Showers, mainly after 1am. Low around 55. Southwest wind 10 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

40% chance of rain Saturday Saturday... A 40 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 7 to 10 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 47. Northwest wind around 6 mph becoming calm.

80% chance of rain Sunday Sunday... Rain, mainly after 1pm. High near 61. Southeast wind 7 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

80% chance of light rain Sunday Night Sunday Night... Rain before 1am, then a chance of drizzle or light rain after 1am. Low around 48. Southeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

30% chance of rain Monday Monday... A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 55.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 30.

Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 45.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 37.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 55.

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 37.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 50.

Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 06:32 AM
Sunset: 4:41 PM
Civil Sunrise:06:03 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 05:30 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 04:58 AM
Astro Sunset: 6:15 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.