Weather today - Port Jefferson, NY

Weather forecast and temperature for today - Tuesday, Mar 4.

6:19 am

5:48 pm
EST

Mostly Clear

min.43°F

Wind: 12mph SSW
Humidity: 79%
Precip. probability: 7%
Precipitation: 0"
UV index: 0

In Port Jefferson, for the rest of Tuesday, mostly clear weather and a cloudless sky are anticipated.
The lowest expected temperature is a frosty 42.8°F (6°C).
Sunrise was at 6:19 am and sunset at 5:48 pm; the daylight lasted for 11h and 29min.

Current condition and temperature - Port Jefferson, NY

11:07 pm EDT

Clear

45°F
Feels like: 37°F

Wind: 12mph S
Humidity: 73%
Dewpoint: 36°F
Pressure: 30.09"Hg
Precipitation: 0"
Visibility: 10mi
UV index: 0

At the moment, in Port Jefferson, weather readings indicate a clear and cloudless sky.
The temperature is a chilly 44.6°F (7°C), while the real-feel temperature, due to the wind, is estimated at a wintry 37.4°F (3°C). The current temperature is near the lowest anticipated 42.8°F (6°C) for today.

Weather radar - Port Jefferson, NY

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Frequently asked questions

What is the current temperature?

At 11:07 pm, the temperature is 44.6°F (7°C). Feels-like temperature is 37.4°F (3°C).

What is the weather forecast for Port Jefferson for today?

In Port Jefferson, for the rest of Tuesday, mostly clear weather and a cloudless sky are expected.

When are sunrise and sunset today?

On Tuesday, in Port Jefferson, sunrise was at 6:19 am and sunset at 5:48 pm (EST).

How many hours of daylight will Port Jefferson have today?

Today, the daylight lasted for 11h and 29min.

Hourly weather forecast and temperature - Port Jefferson, NY

11 pm

45°F
Feels like:
39°F

Clear

Wind: 11mph SSW
Pressure: 30.06"Hg
Humidity: 74%

Precip. probability: 2%
Precipitation: 0"
Visibility: 10mi

12 am

45°F
Feels like:
39°F

Clear

Wind: 11mph SSW
Pressure: 30.03"Hg
Humidity: 76%

Precip. probability: 2%
Precipitation: 0"
Visibility: 10mi

1 am

45°F
Feels like:
39°F

Mostly Clear

Wind: 11mph SSW
Pressure: 30.03"Hg
Humidity: 77%

Precip. probability: 2%
Precipitation: 0"
Visibility: 10mi

2 am

45°F
Feels like:
39°F

Partly Cloudy

Wind: 11mph SSW
Pressure: 30"Hg
Humidity: 80%

Precip. probability: 2%
Precipitation: 0"
Visibility: 10mi

3 am

45°F
Feels like:
39°F

Partly Cloudy

Wind: 11mph SSW
Pressure: 29.97"Hg
Humidity: 81%

Precip. probability: 3%
Precipitation: 0"
Visibility: 9mi

4 am

45°F
Feels like:
39°F

Mostly Cloudy

Wind: 11mph SSW
Pressure: 29.97"Hg
Humidity: 82%

Precip. probability: 4%
Precipitation: 0"
Visibility: 10mi

5 am

45°F
Feels like:
39°F

Mostly Cloudy

Wind: 11mph SSW
Pressure: 29.97"Hg
Humidity: 84%

Precip. probability: 6%
Precipitation: 0"
Visibility: 10mi

6 am

46°F
Feels like:
41°F

Cloudy

Wind: 12mph SSW
Pressure: 29.97"Hg
Humidity: 84%

Precip. probability: 8%
Precipitation: 0"
Visibility: 10mi

7 am

48°F
Feels like:
41°F

Cloudy

Wind: 14mph S
Pressure: 29.94"Hg
Humidity: 84%

Precip. probability: 18%
Precipitation: 0"
Visibility: 7mi

8 am

50°F
Feels like:
43°F

Cloudy

Wind: 16mph S
Pressure: 29.94"Hg
Humidity: 81%

Precip. probability: 12%
Precipitation: 0"
Visibility: 10mi

Updated: Mar 5, 2025 @ 03:07:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Port Jefferson, New York, USA

en: Port Jefferson, New York, USA
es: Port Jefferson, Nueva York, EE.UU.
hr: Port Džeferson, Nju Jork, SAD
sr: Port Džeferson, Nju Jork, SAD
zh: 杰斐逊港, 纽约, 美国

Latitude: 40.946488°
Longitude: -73.069273°
Elevation: 7 ft

Current time: 10:07pm EDT
Sunrise: 6:19 am EDT
Sunset: 5:48 pm EDT
Timezone: America/New_York

Climate data