Hourly Weather Forecast - Port Jefferson, NY

12 AM
30°F
0%
10mph
WNW
Partly Cloudy
Humidity
78%
Feels like
21°F
Dew Point
24°F
1 AM
30°F
0%
9mph
WNW
Partly Cloudy
Humidity
79%
Feels like
21°F
Dew Point
24°F
2 AM
30°F
0%
9mph
WNW
Partly Cloudy
Humidity
80%
Feels like
21°F
Dew Point
24°F
3 AM
29°F
0%
9mph
NW
Mostly Clear
Humidity
80%
Feels like
21°F
Dew Point
24°F
4 AM
29°F
0%
9mph
NW
Mostly Clear
Humidity
80%
Feels like
21°F
Dew Point
24°F
5 AM
29°F
0%
9mph
NW
Partly Cloudy
Humidity
80%
Feels like
21°F
Dew Point
24°F
6 AM
29°F
0%
9mph
NW
Partly Cloudy
Humidity
77%
Feels like
21°F
Dew Point
23°F
6:50 AM
7 AM
29°F
0%
9mph
NW
Partly Cloudy
Humidity
75%
Feels like
21°F
Dew Point
22°F
8 AM
30°F
0%
9mph
NW
Partly Cloudy
Humidity
71%
Feels like
22°F
Dew Point
22°F
9 AM
31°F
10%
10mph
NW
Mostly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
21°F
10 AM
32°F
10%
11mph
NW
Partly Cloudy
Humidity
61%
Feels like
23°F
Dew Point
20°F
11 AM
33°F
10%
11mph
NW
Partly Cloudy
Humidity
59%
Feels like
24°F
Dew Point
20°F
12 PM
33°F
10%
11mph
NW
Mostly Sunny
Humidity
58%
Feels like
25°F
Dew Point
20°F
1 PM
34°F
10%
11mph
NW
Mostly Sunny
Humidity
57%
Feels like
25°F
Dew Point
20°F
2 PM
34°F
10%
11mph
NW
Sunny
Humidity
58%
Feels like
25°F
Dew Point
20°F
3 PM
33°F
10%
11mph
NW
Sunny
Humidity
59%
Feels like
25°F
Dew Point
20°F
4 PM
32°F
10%
11mph
NW
Sunny
Humidity
61%
Feels like
24°F
Dew Point
20°F
5 PM
31°F
10%
10mph
NNW
Sunny
Humidity
63%
Feels like
23°F
Dew Point
20°F
5:22 PM
6 PM
30°F
10%
10mph
NNW
Clear
Humidity
64%
Feels like
22°F
Dew Point
20°F
7 PM
30°F
10%
9mph
NNW
Clear
Humidity
66%
Feels like
21°F
Dew Point
20°F
8 PM
29°F
10%
9mph
NNW
Clear
Humidity
67%
Feels like
21°F
Dew Point
19°F
9 PM
28°F
10%
8mph
NNW
Clear
Humidity
69%
Feels like
20°F
Dew Point
19°F
10 PM
27°F
10%
8mph
NNW
Clear
Humidity
70%
Feels like
19°F
Dew Point
19°F
11 PM
27°F
10%
8mph
NNW
Clear
Humidity
71%
Feels like
18°F
Dew Point
19°F

Sunday Morning's Low Temperatures

Record-Breaking Cold Maligns the Northeast

Frigid temperatures and wind chills continue this morning and beyond across Appalachia, the Northeast, and the Mid-Atlantic.

Today's Weather Outlook

Today's 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

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