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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 9:30 AM. The temperature feels like 61 with a humidity level of 57 so dress accordingly. Cloud coverage is 8 percent with visibility at 14.4 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 14 MPH. At the end of the day don’t miss the sunset at 12:07 AM.


Fahrenheit / Celsius
Today 5/19
Few clouds

Monday 5/19 Weather forecast for Port Jefferson, New York, Few clouds
62°F
High: 70°F
Low: 51°F
Precipitation: 0%
Tuesday 5/20
Scattered clouds

Tuesday 5/20 Weather forecast for Port Jefferson, New York, Scattered clouds
59°F
High: 66°F
Low: 54°F
Precipitation: 0%
Wednesday 5/21
Light shower rain

Wednesday 5/21 Weather forecast for Port Jefferson, New York, Light shower rain
56°F
High: 59°F
Low: 51°F
Precipitation: 70%
Thursday 5/22
Moderate rain

Thursday 5/22 Weather forecast for Port Jefferson, New York, Moderate rain
54°F
High: 58°F
Low: 50°F
Precipitation: 85%
Friday 5/23
Light shower rain

Friday 5/23 Weather forecast for Port Jefferson, New York, Light shower rain
55°F
High: 61°F
Low: 53°F
Precipitation: 60%
Saturday 5/24
Broken clouds

Saturday 5/24 Weather forecast for Port Jefferson, New York, Broken clouds
55°F
High: 57°F
Low: 52°F
Precipitation: 40%

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