Hourly Weather Forecast - Port Jefferson, NY

12 AM
22°F
0%
5mph
NW
Partly Cloudy
Humidity
63%
Feels like
15°F
Dew Point
11°F
1 AM
22°F
0%
5mph
NW
Partly Cloudy
Humidity
64%
Feels like
15°F
Dew Point
12°F
2 AM
22°F
0%
5mph
NW
Partly Cloudy
Humidity
64%
Feels like
15°F
Dew Point
12°F
3 AM
21°F
0%
4mph
NW
Partly Cloudy
Humidity
65%
Feels like
15°F
Dew Point
12°F
4 AM
21°F
0%
4mph
NW
Partly Cloudy
Humidity
65%
Feels like
16°F
Dew Point
11°F
5 AM
21°F
0%
4mph
NW
Partly Cloudy
Humidity
66%
Feels like
16°F
Dew Point
11°F
6 AM
21°F
0%
3mph
WNW
Partly Cloudy
Humidity
67%
Feels like
21°F
Dew Point
12°F
6:53 AM
7 AM
22°F
0%
2mph
WNW
Partly Cloudy
Humidity
66%
Feels like
22°F
Dew Point
13°F
8 AM
24°F
0%
2mph
W
Partly Cloudy
Humidity
63%
Feels like
24°F
Dew Point
13°F
9 AM
26°F
0%
2mph
W
Mostly Cloudy
Humidity
59%
Feels like
26°F
Dew Point
13°F
10 AM
28°F
0%
2mph
WSW
Cloudy
Humidity
56%
Feels like
28°F
Dew Point
14°F
11 AM
29°F
0%
2mph
WSW
Cloudy
Humidity
54%
Feels like
29°F
Dew Point
15°F
12 PM
31°F
0%
3mph
SW
Cloudy
Humidity
53%
Feels like
27°F
Dew Point
15°F
1 PM
32°F
30%
4mph
SW
30% Chance of Flurries
Humidity
53%
Feels like
28°F
Dew Point
17°F
2 PM
32°F
30%
4mph
SW
30% Chance of Snow
Humidity
56%
Feels like
28°F
Dew Point
18°F
3 PM
32°F
30%
4mph
SSW
30% Chance of Snow
Humidity
59%
Feels like
28°F
Dew Point
19°F
4 PM
31°F
30%
4mph
SSW
30% Chance of Snow
Humidity
64%
Feels like
27°F
Dew Point
21°F
5 PM
31°F
30%
4mph
SSW
30% Chance of Snow
Humidity
70%
Feels like
27°F
Dew Point
22°F
5:20 PM
6 PM
31°F
30%
4mph
SSW
30% Chance of Snow
Humidity
74%
Feels like
26°F
Dew Point
24°F
7 PM
31°F
30%
5mph
SW
30% Chance Frozen Mix
Humidity
77%
Feels like
27°F
Dew Point
25°F
8 PM
32°F
30%
5mph
SW
30% Chance Frozen Mix
Humidity
80%
Feels like
27°F
Dew Point
26°F
9 PM
32°F
10%
5mph
WSW
Cloudy
Humidity
81%
Feels like
27°F
Dew Point
27°F
10 PM
33°F
10%
6mph
WSW
Cloudy
Humidity
81%
Feels like
27°F
Dew Point
28°F
11 PM
33°F
10%
6mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
27°F
Dew Point
28°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

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