Hourly Weather Forecast - Port Jefferson Station, NY

10 AM
33°F
90%
5mph
NNW
Heavy Snow
Humidity
76%
Feels like
28°F
Dew Point
26°F
11 AM
32°F
80%
7mph
NNW
80% Chance of Heavy Snow
Humidity
73%
Feels like
26°F
Dew Point
25°F
12 PM
31°F
70%
8mph
NNW
70% Chance of Heavy Snow
Humidity
70%
Feels like
24°F
Dew Point
23°F
1 PM
31°F
30%
9mph
NNW
30% Chance of Heavy Snow
Humidity
66%
Feels like
23°F
Dew Point
21°F
2 PM
30°F
30%
9mph
NNW
30% Chance of Snow
Humidity
63%
Feels like
22°F
Dew Point
19°F
3 PM
29°F
0%
9mph
NW
Mostly Cloudy
Humidity
60%
Feels like
20°F
Dew Point
17°F
4 PM
27°F
0%
9mph
NW
Mostly Cloudy
Humidity
61%
Feels like
18°F
Dew Point
16°F
4:24 PM
5 PM
26°F
0%
9mph
NW
Partly Cloudy
Humidity
62%
Feels like
16°F
Dew Point
15°F
6 PM
25°F
0%
10mph
NNW
Partly Cloudy
Humidity
61%
Feels like
15°F
Dew Point
13°F
7 PM
24°F
0%
11mph
NNW
Partly Cloudy
Humidity
60%
Feels like
13°F
Dew Point
12°F
8 PM
23°F
0%
11mph
NNW
Partly Cloudy
Humidity
61%
Feels like
12°F
Dew Point
11°F
9 PM
22°F
0%
11mph
NNW
Mostly Clear
Humidity
61%
Feels like
11°F
Dew Point
11°F
10 PM
21°F
0%
11mph
NNW
Mostly Clear
Humidity
60%
Feels like
10°F
Dew Point
10°F
11 PM
20°F
0%
12mph
NNW
Mostly Clear
Humidity
58%
Feels like
8°F
Dew Point
8°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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