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Fair Harbor, New York Weather Forecast
Fair Harbor, New York Weather
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Weather Forecast for Fair Harbor, New York : Suffolk County
Issued: 12:38 pm EST Dec 21, 2025 Latitude: 40.6392666 Longitude: -73.1842821 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Mostly Clear on Tonight Sunny on Monday 80% chance of rain on Tuesday Sunny on Wednesday 30% chance of rain on Christmas Day 50% chance of rain on Friday Mostly Cloudy on Saturday 40% chance of rain on Sunday
Low: 30°F High: 39°F High: 43°F High: 44°F High: 45°F High: 50°F High: 43°F High: 45°F
Low: 35°F Low: 41°F Low: 35°F Low: 41°F Low: 38°F Low: 36°F  
Mostly Clear Sunny Rain Sunny Rain Rain Mostly Cloudy Rain
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Current Conditions at
ISLIP - (KISP)
36°
Feels like 26°F
Mostly Clear
as of 5:56 PM EST
Rel. Humidity: 34%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 30 MPH
310° Northwest
Cloud Level(s): Few at 20000ft, Few at 25000ft
Current Conditions at
FARMINGDALE - (KFRG)
34°
Feels like 24°F
Clear
as of 5:53 PM EST
Rel. Humidity: 40%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 30 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
34°
Feels like 23°F
Clear
as of 5:56 PM EST
Rel. Humidity: 37%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 31 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
36°
Feels like 25°F
Mostly Cloudy
as of 5:51 PM EST
Rel. Humidity: 37%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
16 MPH
330° Northwest
Cloud Level(s): Few at 6500ft, Scattered at 20000ft, Broken at 25000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 30. Wind chill values between 15 and 25. Blustery, with a northwest wind 21 to 25 mph.
Sunny on Monday Monday... Sunny, with a high near 39. Wind chill values between 20 and 30. Northwest wind 14 to 17 mph.
50% chance of snow Monday Night Monday Night... A 50 percent chance of snow after 1am. Increasing clouds, with a low around 35. West wind 13 to 15 mph.
80% chance of rain Tuesday Tuesday... Rain, mainly before 1pm. High near 43. Southwest wind 13 to 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a steady temperature around 41. Breezy, with a west wind 15 to 25 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 44. Breezy.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 35.
30% chance of rain Christmas Day Christmas Day... A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain after 1am. Cloudy, with a low around 41.
50% chance of rain Friday Friday... A 50 percent chance of rain. Cloudy, with a high near 50.
50% chance of rain Friday Night Friday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 43.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain. Cloudy, with a low around 36.
40% chance of rain Sunday Sunday... A 40 percent chance of rain. Mostly cloudy, with a high near 45. Breezy.
Current Radar Image


Sun Almanac for Fair Harbor, New York
Sunrise: 07:13 AM
Sunset: 4:29 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:07 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.