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August 8th, 2025 :: 10:43 am EDT   

Local Weather Report for
Port Jefferson
New York, United States

 Current Port Jefferson Weather Conditions Updated August 8th at 9:56 am 
Mostly Sunny
Temperature:24°C Dew Point:8°C
Barometer:102.5 kPa Wind:N 17 Km/h
Humidity:35.9% Visibility:0 Km
 
 Port Jefferson Weather Forecast Summary  
 
Today
Aug 8th
Saturday
Aug 9th
Sunday
Aug 10th
Monday
Aug 11th
Tuesday
Aug 12th
Mostly Sunny Mostly Sunny Cloudy Cloudy Cloudy
24°C
25°C
19°C
28°C
21°C
29°C
22°C
28°C
23°C
 
 Port Jefferson Detailed Weather Forecast  
 
Friday, August 8th, 2025
Morning Temperature: 23°C
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 22°C
Sunny. Windy at times.
Evening Temperature: 19°C
Clear.
Saturday, August 9th, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 23°C
Sunny. Windy at times.
Afternoon Temperature: 23°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 21°C
Clear.
Sunday, August 10th, 2025
Overnight Temperature: 21°C
Clear.
Morning Temperature: 25°C
A mix of cloud and sun.
Afternoon Temperature: 26°C
Cloudy. Windy at times.
Evening Temperature: 23°C
Cloudy.
Monday, August 11th, 2025
Overnight Temperature: 23°C
Cloudy.
Morning Temperature: 26°C
Sunny.
Afternoon Temperature: 27°C
Sunny. Windy at times.
Evening Temperature: 23°C
Clear.
Tuesday, August 12th, 2025
Overnight Temperature: 23°C
A mix of cloudy and clear skies.
Morning Temperature: 27°C
Cloudy.
Afternoon Temperature: 27°C
Sunny. Windy at times.
Evening Temperature: 23°C
Clear.
Wednesday, August 13th, 2025
Overnight Temperature: 23°C
Clear.
Morning Temperature: 28°C
Sunny.
Afternoon Temperature: 26°C
Sunny. Windy at times.
Evening Temperature: 23°C
A mix of clear and cloudy skies. Windy at times.
Thursday, August 14th, 2025
Overnight Temperature: 23°C
Clear with cloudy periods.
Morning Temperature: 28°C
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 26°C
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 24°C
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Friday, August 15th, 2025
Overnight Temperature: 23°C
Cloudy with showers likely.
Morning Temperature: 22°C
Cloudy with showers.
Afternoon Temperature: 23°C
Cloudy with showers likely. Slight chance of a thunderstorm.
Evening Temperature: 23°C
Clear.
Saturday, August 16th, 2025
Overnight Temperature: 23°C
A mix of cloudy and clear skies.
Morning Temperature: 26°C
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 28°C
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 24°C
Clear with a chance of showers or thundershowers.





 

  [ Local Weather Report ]
Belle Terre, NY 
9:56 AM  24°C
Mostly Sunny
 
Poquott, NY 
9:56 AM  24°C
Mostly Sunny
 
Old Field, NY 
9:56 AM  24°C
Mostly Sunny
 
Head Of The Harbor, NY 
9:56 AM  24°C
Mostly Sunny
 
Lake Grove, NY 
9:56 AM  24°C
Mostly Sunny
 
Nissequogue, NY 
9:56 AM  24°C
Mostly Sunny
 
Shoreham, NY 
9:56 AM  23°C
 
 
Village Of The Branch, NY 
9:56 AM  24°C
Mostly Sunny
 
Smithtown, NY 
9:56 AM  24°C
Mostly Sunny
 
Islip, NY 
9:56 AM  24°C
Mostly Sunny

This WeatherCity Weather Forecast for Port Jefferson, New York, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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