Port Jefferson, New York Weather
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Weather Forecast for Port Jefferson, New York : Suffolk County
Issued: 4:12 am EDT Jun 4, 2025 Latitude: 40.9464875 Longitude: -73.0692732 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today Mostly Clear on Tonight Mostly Sunny on Thursday 30% chance of on Friday 60% chance of rain on Saturday Partly Sunny on Sunday Mostly Cloudy on Monday 30% chance of rain on Tuesday
High: 76°F Low: 63°F High: 80°F High: 76°F High: 71°F High: 73°F High: 70°F High: 73°F
Low: 66°F Low: 63°F Low: 62°F Low: 61°F Low: 62°F  
Sunny Mostly Clear Mostly Sunny Partly Sunny Rain Partly Sunny Mostly Cloudy Rain
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Current Conditions at
ISLIP - (KISP)
61°
Clear
as of 4:56 AM EDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
61°
Clear
as of 4:56 AM EDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
5 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
BRIDGEPORT - (KBDR)
57°
Clear
as of 4:52 AM EDST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FARMINGDALE - (KFRG)
55°
Clear
as of 4:53 AM EDST
Rel. Humidity: 87%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 76. Calm wind becoming south 5 to 9 mph in the morning.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 63. South wind 8 to 11 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 80. Southwest wind 7 to 9 mph.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 66. Southwest wind 7 to 10 mph.
30% chance of Friday Friday... A 30 percent chance of showers after 2pm. Partly sunny, with a high near 76. South wind 5 to 7 mph.
40% chance of rain Friday Night Friday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 63.
60% chance of rain Saturday Saturday... Showers likely, mainly after 2pm. Cloudy, with a high near 71. Chance of precipitation is 60%.
60% chance of rain Saturday Night Saturday Night... Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 73.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 61.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 70.
40% chance of rain Monday Night Monday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 62.
30% chance of rain Tuesday Tuesday... A 30 percent chance of showers. Mostly cloudy, with a high near 73.
Current Radar Image


Sun Almanac for Port Jefferson, New York
Sunrise: 05:21 AM
Sunset: 8:20 PM
Civil Sunrise:04:48 AM
Civil Sunset: 8:53 PM
Nautical Sunrise: 04:06 AM
Nautical Sunset: 9:35 PM
Astro Sunrise: 03:17 AM
Astro Sunset: 10:24 PM
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