Port Jefferson, New York hotel brands & chains

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Weather Forecast for Port Jefferson, New York

If you planning to travel to Port Jefferson, New York, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 10:57 AM. The temperature feels like 39.2 with a humidity level of 60 so dress accordingly. Cloud coverage is 33 percent with visibility at 13.6 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 11:03 PM.


Fahrenheit / Celsius
Today 3/18
Scattered clouds

Tuesday 3/18 Weather forecast for Port Jefferson, New York, Scattered clouds
43°F
High: 53°F
Low: 38°F
Precipitation: 0%
Wednesday 3/19
Scattered clouds

Wednesday 3/19 Weather forecast for Port Jefferson, New York, Scattered clouds
45°F
High: 53°F
Low: 40°F
Precipitation: 0%
Thursday 3/20
Light shower rain

Thursday 3/20 Weather forecast for Port Jefferson, New York, Light shower rain
46°F
High: 52°F
Low: 39°F
Precipitation: 45%
Friday 3/21
Mix snow/rain

Friday 3/21 Weather forecast for Port Jefferson, New York, Mix snow/rain
42°F
High: 45°F
Low: 38°F
Precipitation: 85%
Saturday 3/22
Scattered clouds

Saturday 3/22 Weather forecast for Port Jefferson, New York, Scattered clouds
44°F
High: 53°F
Low: 42°F
Precipitation: 0%
Sunday 3/23
Scattered clouds

Sunday 3/23 Weather forecast for Port Jefferson, New York, Scattered clouds
46°F
High: 52°F
Low: 42°F
Precipitation: 0%

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