Threemile Harbor, New York Weather
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Weather Forecast for Threemile Harbor, New York : Suffolk County
Issued: 2:10 pm EDT Aug 2, 2025 Latitude: 41.0159332 Longitude: -72.1795229 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Cloudy on Tonight Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Sunny on Saturday
Low: 65°F High: 75°F High: 78°F High: 77°F High: 76°F High: 75°F High: 75°F High: 77°F
Low: 66°F Low: 68°F Low: 68°F Low: 68°F Low: 68°F Low: 69°F  
Cloudy Sunny Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Sunny
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Current Conditions at
MONTAUK - (KMTP)
79°
Clear
as of 3:54 PM EDST
Rel. Humidity: 39%
Dew Point: 52°F
Pressure: 30.20 in.
Wind Data
Calm
Current Conditions at
GROTON - (KGON)
79°
Clear
as of 3:56 PM EDST
Rel. Humidity: 44%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 17 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
WESTHAMPTON BEACH - (KFOK)
79°
Clear
as of 3:53 PM EDST
Rel. Humidity: 34%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
10 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
WESTERLY STATE ARPT - (KWST)
75°
Clear
as of 3:53 PM EDST
Rel. Humidity: 47%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
9 MPH
170° South
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around 65. Light south wind.
Sunny on Sunday Sunday... Sunny, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.
Sunny on Monday Monday... Sunny, with a high near 78. Light and variable wind.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 77.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 68.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 76.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 68.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 75.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 68.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 75.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 69.
Sunny on Saturday Saturday... Sunny, with a high near 77.
Current Radar Image


Sun Almanac for Threemile Harbor, New York
Sunrise: 05:46 AM
Sunset: 8:04 PM
Civil Sunrise:05:15 AM
Civil Sunset: 8:34 PM
Nautical Sunrise: 04:38 AM
Nautical Sunset: 9:12 PM
Astro Sunrise: 03:56 AM
Astro Sunset: 9:54 PM
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