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Sayville, New York Weather Forecast
Sayville, New York Weather
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Weather Forecast for Sayville, New York : Suffolk County
Issued: 2:48 am EST Nov 5, 2025 Latitude: 40.7359317 Longitude: -73.0820556 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Veterans Day
Mostly Clear on Overnight Mostly Sunny on Wednesday Sunny on Thursday Partly Sunny on Friday 60% chance of rain on Saturday 50% chance of rain on Sunday 30% chance of rain on Monday Mostly Sunny on Veterans Day
Low: 42°F High: 63°F High: 54°F High: 61°F High: 64°F High: 62°F High: 49°F High: 46°F
Low: 46°F Low: 38°F Low: 53°F Low: 48°F Low: 41°F Low: 33°F  
Mostly Clear Mostly Sunny Sunny Partly Sunny Rain Rain Rain Mostly Sunny
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Current Conditions at
ISLIP - (KISP)
39°
Clear
as of 2:56 AM EST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
36°
Clear
as of 2:56 AM EST
Rel. Humidity: 74%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FARMINGDALE - (KFRG)
36°
Clear
as of 2:53 AM EST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
3 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
45°
Feels like 39°F
Partly Cloudy
as of 2:51 AM EST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
10 MPH
250° West
Cloud Level(s): Scattered at 25000ft
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 42. West wind around 7 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 63. Breezy, with a southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.

20% chance of rain Wednesday Night Wednesday Night... A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 46. Windy, with a southwest wind 21 to 31 mph becoming northwest after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 20%.

Sunny on Thursday Thursday... Sunny, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 38 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 38. Northwest wind 6 to 11 mph becoming light after midnight.

Partly Sunny on Friday Friday... Partly sunny, with a high near 61.

60% chance of rain Friday Night Friday Night... Showers likely, mainly between 1am and 5am, then rain likely after 5am. Cloudy, with a low around 53. Chance of precipitation is 60%.

60% chance of rain Saturday Saturday... Rain likely, mainly before 7am. Partly sunny, with a high near 64. Chance of precipitation is 60%.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 48.

50% chance of rain Sunday Sunday... A 50 percent chance of rain. Partly sunny, with a high near 62.

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

30% chance of rain Monday Monday... A 30 percent chance of rain. Mostly sunny, with a high near 49.

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

Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 46.

Current Radar Image


Sun Almanac for Sayville, New York
Sunrise: 06:28 AM
Sunset: 4:44 PM
Civil Sunrise:05:59 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 05:27 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 04:55 AM
Astro Sunset: 6:17 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.