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Southport, New York Weather Forecast
Southport, New York Weather
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Weather Forecast for Southport, New York : Suffolk County
Issued: 5:39 am EST Nov 5, 2025 Latitude: 40.9084335 Longitude: -72.5481457 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Veterans Day
Partly Sunny on Today 20% chance of rain on Tonight Sunny on Thursday Partly Sunny on Friday 60% chance of rain on Saturday 50% chance of rain on Sunday 40% chance of rain on Monday Mostly Sunny on Veterans Day
High: 63°F Low: 48°F High: 54°F High: 62°F High: 63°F High: 62°F High: 50°F High: 47°F
Low: 37°F Low: 55°F Low: 48°F Low: 39°F Low: 33°F  
Partly Sunny Rain Sunny Partly Sunny Rain Rain Rain Mostly Sunny
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Current Conditions at
WESTHAMPTON BEACH - (KFOK)
27°
Clear
as of 4:53 AM EST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
34°
Clear
as of 4:56 AM EST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ISLIP - (KISP)
37°
Clear
as of 4:56 AM EST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Partly Sunny on Today Today... Partly sunny, with a high near 63. Light and variable wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 31 mph.

20% chance of rain Tonight Tonight... A slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Windy, with a southwest wind 16 to 21 mph becoming west 28 to 33 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 20%.

Sunny on Thursday Thursday... Sunny, with a high near 54. Breezy, with a northwest wind 20 to 25 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 40 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 37. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 62. Light southwest wind becoming south 11 to 16 mph in the morning.

70% chance of rain Friday Night Friday Night... Showers likely between 1am and 5am, then rain likely after 5am. Cloudy, with a steady temperature around 55. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

60% chance of rain Saturday Saturday... Rain likely, mainly before 7am. Partly sunny, with a high near 63. Chance of precipitation is 60%.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 48.

50% chance of rain Sunday Sunday... A 50 percent chance of rain. Partly sunny, with a high near 62.

50% chance of rain Sunday Night Sunday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 39.

40% chance of rain Monday Monday... A 40 percent chance of rain. Partly sunny, with a high near 50.

30% chance of rain & snow Monday Night Monday Night... A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 47.

Sun Almanac for Southport, New York
Sunrise: 06:26 AM
Sunset: 4:41 PM
Civil Sunrise:05:57 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 05:25 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 04:53 AM
Astro Sunset: 6:15 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.