Mount Sinai, New York Weather
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Weather Forecast for Mount Sinai, New York : Suffolk County
Issued: 6:59 am EDT Aug 2, 2025 Latitude: 40.9470432 Longitude: -73.0295495 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today 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
High: 81°F Low: 64°F High: 83°F High: 86°F High: 85°F High: 83°F High: 82°F High: 82°F
Low: 66°F Low: 68°F Low: 69°F Low: 68°F Low: 67°F  
Sunny Cloudy Sunny Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
ISLIP - (KISP)
70°
Mostly Clear
as of 7:56 AM EDST
Rel. Humidity: 73%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
8 MPH
040° Northeast
Cloud Level(s): Few at 5000ft, Few at 25000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
66°
Clear
as of 7:56 AM EDST
Rel. Humidity: 82%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
BRIDGEPORT - (KBDR)
66°
Mostly Cloudy
as of 7:52 AM EDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
7 MPH
010° North
Cloud Level(s): Broken at 8000ft
Current Conditions at
WESTHAMPTON BEACH - (KFOK)
68°
Clear
as of 7:53 AM EDST
Rel. Humidity: 77%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 81. Northeast wind 5 to 9 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening.
Sunny on Sunday Sunday... Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 66. South wind 5 to 7 mph becoming calm after midnight.
Sunny on Monday Monday... Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 68.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 85.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 69.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 83.
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 82.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 67.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 82.
Current Radar Image


Sun Almanac for Mount Sinai, New York
Sunrise: 05:50 AM
Sunset: 8:07 PM
Civil Sunrise:05:19 AM
Civil Sunset: 8:38 PM
Nautical Sunrise: 04:41 AM
Nautical Sunset: 9:16 PM
Astro Sunrise: 03:59 AM
Astro Sunset: 9:57 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.