Fishers Island, New York Weather
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Weather Forecast for Fishers Island, New York : Suffolk County
Issued: 4:37 am EDT Sep 17, 2025 Latitude: 41.2570434 Longitude: -72.0239626 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
30% chance of rain on Today 70% chance of thunderstorms on Tonight 20% chance of rain on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
High: 70°F Low: 65°F High: 72°F High: 76°F High: 67°F High: 66°F High: 69°F High: 72°F
Low: 65°F Low: 57°F Low: 57°F Low: 59°F Low: 63°F  
Rain Thunderstorms Rain Sunny Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
GROTON - (KGON)
57°
Clear
as of 7:18 AM EDST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
WESTERLY STATE ARPT - (KWST)
61°
Clear
as of 6:53 AM EDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 20 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
MONTAUK - (KMTP)
66°
Clear
as of 7:16 AM EDST
Rel. Humidity: 68%
Dew Point: 55°F
Pressure: 30.15 in.
Wind Data
6 MPH
070° East
Current Conditions at
BLOCK ISL - (KBID)
64°
Mostly Cloudy
as of 7:28 AM EDST
Rel. Humidity: 67%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 25 MPH
080° East
Cloud Level(s): Broken at 2800ft
30% chance of rain Today Today... A 30 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 70. East wind around 15 mph.
70% chance of thunderstorms Tonight Tonight... Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. East wind 10 to 14 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
20% chance of rain Thursday Thursday... A 20 percent chance of showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Northeast wind 6 to 9 mph becoming southwest in the afternoon.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 65. Southwest wind 6 to 8 mph.
Sunny on Friday Friday... Sunny, with a high near 76. Northwest wind around 10 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 57.
Sunny on Saturday Saturday... Sunny, with a high near 67.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 57.
Sunny on Sunday Sunday... Sunny, with a high near 66.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 59.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 69.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 63.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 72.
Current Radar Image


Sun Almanac for Fishers Island, New York
Sunrise: 06:31 AM
Sunset: 6:54 PM
Civil Sunrise:06:03 AM
Civil Sunset: 7:21 PM
Nautical Sunrise: 05:31 AM
Nautical Sunset: 7:54 PM
Astro Sunrise: 04:58 AM
Astro Sunset: 8:27 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.