Hourly Weather Forecast - Port Jefferson, NY

12 AM
11°F
0%
13mph
NNW
Clear
Humidity
61%
Feels like
-4°F
Dew Point
1°F
1 AM
11°F
10%
13mph
NNW
Clear
Humidity
61%
Feels like
-4°F
Dew Point
1°F
2 AM
11°F
10%
12mph
NNW
Clear
Humidity
62%
Feels like
-3°F
Dew Point
1°F
3 AM
11°F
0%
12mph
NNW
Clear
Humidity
62%
Feels like
-3°F
Dew Point
1°F
4 AM
12°F
0%
11mph
NNW
Clear
Humidity
62%
Feels like
-2°F
Dew Point
1°F
5 AM
12°F
0%
11mph
NNW
Clear
Humidity
63%
Feels like
-2°F
Dew Point
2°F
6 AM
13°F
0%
11mph
NNW
Clear
Humidity
63%
Feels like
-1°F
Dew Point
2°F
6:54 AM
7 AM
14°F
0%
10mph
NNW
Sunny
Humidity
61%
Feels like
1°F
Dew Point
3°F
8 AM
15°F
0%
10mph
NNW
Sunny
Humidity
58%
Feels like
3°F
Dew Point
3°F
9 AM
17°F
0%
10mph
NW
Sunny
Humidity
55%
Feels like
6°F
Dew Point
4°F
10 AM
19°F
0%
10mph
NW
Sunny
Humidity
52%
Feels like
8°F
Dew Point
5°F
11 AM
22°F
0%
11mph
NW
Sunny
Humidity
50%
Feels like
10°F
Dew Point
6°F
12 PM
24°F
0%
11mph
NW
Sunny
Humidity
48%
Feels like
13°F
Dew Point
7°F
1 PM
25°F
0%
11mph
NW
Sunny
Humidity
47%
Feels like
15°F
Dew Point
8°F
2 PM
26°F
0%
11mph
NW
Sunny
Humidity
47%
Feels like
16°F
Dew Point
9°F
3 PM
27°F
0%
10mph
NW
Sunny
Humidity
48%
Feels like
17°F
Dew Point
10°F
4 PM
27°F
0%
9mph
NW
Sunny
Humidity
49%
Feels like
18°F
Dew Point
10°F
5 PM
26°F
0%
8mph
NW
Partly Cloudy
Humidity
51%
Feels like
17°F
Dew Point
10°F
5:19 PM
6 PM
25°F
0%
7mph
NW
Mostly Cloudy
Humidity
54%
Feels like
17°F
Dew Point
11°F
7 PM
24°F
0%
7mph
NW
Cloudy
Humidity
57%
Feels like
16°F
Dew Point
11°F
8 PM
23°F
0%
6mph
NW
Mostly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
11°F
9 PM
23°F
0%
6mph
NW
Partly Cloudy
Humidity
60%
Feels like
15°F
Dew Point
11°F
10 PM
22°F
0%
6mph
NW
Partly Cloudy
Humidity
60%
Feels like
15°F
Dew Point
11°F
11 PM
22°F
0%
6mph
NW
Partly Cloudy
Humidity
61%
Feels like
15°F
Dew Point
11°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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