Hourly Weather Forecast - Port Jefferson, NY

12 AM
32°F
20%
8mph
W
Partly Cloudy
Humidity
79%
Feels like
25°F
Dew Point
26°F
1 AM
32°F
20%
8mph
W
Partly Cloudy
Humidity
79%
Feels like
25°F
Dew Point
27°F
2 AM
32°F
20%
8mph
W
Partly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
26°F
3 AM
32°F
20%
8mph
W
Mostly Clear
Humidity
80%
Feels like
24°F
Dew Point
26°F
4 AM
31°F
10%
8mph
WNW
Mostly Clear
Humidity
80%
Feels like
24°F
Dew Point
26°F
5 AM
31°F
10%
8mph
W
Partly Cloudy
Humidity
81%
Feels like
23°F
Dew Point
26°F
6 AM
31°F
10%
8mph
W
Partly Cloudy
Humidity
81%
Feels like
23°F
Dew Point
26°F
6:52 AM
7 AM
31°F
0%
8mph
W
Partly Cloudy
Humidity
79%
Feels like
23°F
Dew Point
25°F
8 AM
32°F
10%
9mph
W
Partly Cloudy
Humidity
77%
Feels like
25°F
Dew Point
26°F
9 AM
33°F
10%
10mph
W
Mostly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
26°F
10 AM
35°F
10%
11mph
W
Mostly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
26°F
11 AM
36°F
10%
11mph
W
Partly Cloudy
Humidity
67%
Feels like
28°F
Dew Point
26°F
12 PM
36°F
10%
13mph
W
Partly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
25°F
1 PM
37°F
10%
13mph
WNW
Mostly Sunny
Humidity
62%
Feels like
28°F
Dew Point
25°F
2 PM
37°F
10%
13mph
WNW
Mostly Sunny
Humidity
62%
Feels like
28°F
Dew Point
25°F
3 PM
36°F
10%
13mph
WNW
Mostly Sunny
Humidity
62%
Feels like
27°F
Dew Point
24°F
4 PM
35°F
10%
13mph
WNW
Mostly Sunny
Humidity
64%
Feels like
26°F
Dew Point
24°F
5 PM
34°F
10%
13mph
WNW
Mostly Sunny
Humidity
65%
Feels like
26°F
Dew Point
24°F
5:21 PM
6 PM
33°F
10%
12mph
WNW
Clear
Humidity
66%
Feels like
24°F
Dew Point
24°F
7 PM
33°F
10%
12mph
WNW
Clear
Humidity
68%
Feels like
24°F
Dew Point
23°F
8 PM
32°F
10%
12mph
WNW
Clear
Humidity
69%
Feels like
23°F
Dew Point
23°F
9 PM
31°F
10%
11mph
WNW
Clear
Humidity
69%
Feels like
22°F
Dew Point
22°F
10 PM
30°F
10%
11mph
WNW
Clear
Humidity
70%
Feels like
21°F
Dew Point
22°F
11 PM
30°F
10%
11mph
WNW
Clear
Humidity
70%
Feels like
21°F
Dew Point
21°F

Sunday Morning's Low Temperatures

Snow, Record-Breaking Cold Impacts Great Lakes & Northeast

Frigid temperatures, high winds, and snow headed to a large portion of the eastern U.S. through this weekend.

Weekend Weather Outlook

Weekend Weather Outlook

Image courtesy of Pixabay.com

All About Snow Squalls

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image by Frauke Feind from Pixabay

During Strong Winds: Stay Ready

Windchill chart

Dangers of Wind Chills

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide