Hourly Weather Forecast - Port Jefferson, NY

12 AM
25°F
10%
5mph
NNW
Clear
Humidity
73%
Feels like
18°F
Dew Point
17°F
1 AM
24°F
10%
6mph
NNW
Clear
Humidity
74%
Feels like
17°F
Dew Point
17°F
2 AM
24°F
10%
6mph
NNW
Clear
Humidity
75%
Feels like
17°F
Dew Point
17°F
3 AM
24°F
10%
6mph
NNW
Clear
Humidity
75%
Feels like
17°F
Dew Point
17°F
4 AM
24°F
10%
6mph
NNW
Clear
Humidity
76%
Feels like
17°F
Dew Point
17°F
5 AM
23°F
10%
6mph
NNW
Clear
Humidity
77%
Feels like
16°F
Dew Point
17°F
6 AM
23°F
10%
6mph
NNW
Clear
Humidity
77%
Feels like
16°F
Dew Point
17°F
6:48 AM
7 AM
24°F
10%
6mph
NNW
Sunny
Humidity
76%
Feels like
17°F
Dew Point
17°F
8 AM
25°F
10%
6mph
NNW
Sunny
Humidity
73%
Feels like
18°F
Dew Point
18°F
9 AM
27°F
10%
6mph
NNW
Sunny
Humidity
66%
Feels like
21°F
Dew Point
17°F
10 AM
29°F
10%
6mph
NNW
Sunny
Humidity
60%
Feels like
23°F
Dew Point
17°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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