South Setauket, New York Weather
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Weather Forecast for South Setauket, New York : Suffolk County
Issued: 6:40 pm EDT Sep 16, 2025 Latitude: 40.9137095 Longitude: -73.1056641 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
40% chance of rain on Overnight 60% chance of thunderstorms on Wednesday 30% chance of on Thursday Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 60°F High: 72°F High: 77°F High: 80°F High: 71°F High: 71°F High: 75°F High: 77°F
Low: 62°F Low: 62°F Low: 56°F Low: 55°F Low: 57°F Low: 60°F  
Rain Thunderstorms Partly Sunny Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
63°
Clear
as of 12:56 AM EDST
Rel. Humidity: 82%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
BRIDGEPORT - (KBDR)
63°
Clear
as of 12:52 AM EDST
Rel. Humidity: 72%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
12 MPH
020° North
Cloud Level(s): Clear
Current Conditions at
FARMINGDALE - (KFRG)
63°
Partly Cloudy
as of 12:53 AM EDST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
7 MPH
040° Northeast
Cloud Level(s): Scattered at 6500ft
40% chance of rain Overnight Overnight... A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 60. East wind around 10 mph.
60% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 72. East wind 10 to 13 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Wednesday Night Wednesday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Northeast wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of Thursday Thursday... A 30 percent chance of showers before 2pm. Partly sunny, with a high near 77. Northeast wind around 6 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 62. Southwest wind 3 to 5 mph.
Sunny on Friday Friday... Sunny, with a high near 80.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 56.
Sunny on Saturday Saturday... Sunny, with a high near 71.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 55.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 71.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 57.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 75.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 60.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 77.
Current Radar Image


Sun Almanac for South Setauket, New York
Sunrise: 06:36 AM
Sunset: 6:58 PM
Civil Sunrise:06:08 AM
Civil Sunset: 7:25 PM
Nautical Sunrise: 05:36 AM
Nautical Sunset: 7:58 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 8:31 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.