Hourly Weather Forecast - Port Jefferson, NY

12 AM
26°F
10%
8mph
NNW
Clear
Humidity
72%
Feels like
18°F
Dew Point
18°F
1 AM
26°F
10%
8mph
NNW
Clear
Humidity
73%
Feels like
17°F
Dew Point
18°F
2 AM
25°F
10%
7mph
NNW
Clear
Humidity
75%
Feels like
17°F
Dew Point
19°F
3 AM
25°F
0%
7mph
NNW
Clear
Humidity
76%
Feels like
17°F
Dew Point
19°F
4 AM
24°F
0%
7mph
NNW
Clear
Humidity
78%
Feels like
16°F
Dew Point
19°F
5 AM
24°F
0%
7mph
NNW
Clear
Humidity
79%
Feels like
16°F
Dew Point
19°F
6 AM
24°F
0%
7mph
NNW
Mostly Clear
Humidity
78%
Feels like
16°F
Dew Point
18°F
6:49 AM
7 AM
24°F
10%
6mph
NNW
Mostly Sunny
Humidity
77%
Feels like
17°F
Dew Point
18°F
8 AM
26°F
10%
7mph
NNW
Mostly Sunny
Humidity
73%
Feels like
18°F
Dew Point
18°F
9 AM
27°F
10%
7mph
NNW
Mostly Sunny
Humidity
68%
Feels like
19°F
Dew Point
18°F
10 AM
28°F
10%
8mph
NNW
Mostly Sunny
Humidity
63%
Feels like
20°F
Dew Point
17°F
11 AM
29°F
10%
7mph
NNW
Mostly Sunny
Humidity
60%
Feels like
22°F
Dew Point
17°F
12 PM
30°F
10%
7mph
NNW
Mostly Sunny
Humidity
59%
Feels like
23°F
Dew Point
17°F
1 PM
31°F
10%
7mph
NW
Partly Cloudy
Humidity
57%
Feels like
24°F
Dew Point
18°F
2 PM
31°F
10%
7mph
NW
Partly Cloudy
Humidity
58%
Feels like
25°F
Dew Point
18°F
3 PM
31°F
10%
7mph
NW
Partly Cloudy
Humidity
59%
Feels like
24°F
Dew Point
18°F
4 PM
30°F
10%
7mph
NW
Partly Cloudy
Humidity
61%
Feels like
24°F
Dew Point
19°F
5 PM
29°F
10%
7mph
NW
Partly Cloudy
Humidity
64%
Feels like
23°F
Dew Point
19°F
5:24 PM
6 PM
29°F
10%
6mph
NW
Mostly Clear
Humidity
65%
Feels like
22°F
Dew Point
19°F
7 PM
28°F
10%
6mph
NW
Clear
Humidity
68%
Feels like
21°F
Dew Point
19°F
8 PM
27°F
10%
6mph
NW
Clear
Humidity
68%
Feels like
20°F
Dew Point
18°F
9 PM
26°F
10%
6mph
NNW
Clear
Humidity
70%
Feels like
20°F
Dew Point
18°F
10 PM
26°F
10%
6mph
NNW
Clear
Humidity
71%
Feels like
19°F
Dew Point
18°F
11 PM
25°F
10%
6mph
NNW
Clear
Humidity
72%
Feels like
18°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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