Hourly Weather Forecast - Port Jefferson Station, NY

12 AM
19°F
0%
11mph
NW
Mostly Clear
Humidity
56%
Feels like
7°F
Dew Point
6°F
1 AM
18°F
0%
11mph
NW
Clear
Humidity
55%
Feels like
6°F
Dew Point
4°F
2 AM
17°F
0%
10mph
NW
Clear
Humidity
56%
Feels like
5°F
Dew Point
4°F
3 AM
17°F
0%
10mph
NW
Clear
Humidity
58%
Feels like
5°F
Dew Point
5°F
4 AM
17°F
0%
9mph
NW
Clear
Humidity
59%
Feels like
5°F
Dew Point
5°F
5 AM
17°F
0%
9mph
NW
Clear
Humidity
61%
Feels like
6°F
Dew Point
6°F
6 AM
18°F
0%
8mph
NW
Clear
Humidity
62%
Feels like
7°F
Dew Point
7°F
7 AM
19°F
0%
8mph
NW
Clear
Humidity
62%
Feels like
9°F
Dew Point
8°F
7:09 AM
8 AM
21°F
0%
7mph
NW
Mostly Sunny
Humidity
61%
Feels like
12°F
Dew Point
9°F
9 AM
23°F
0%
7mph
NW
Mostly Sunny
Humidity
57%
Feels like
14°F
Dew Point
10°F
10 AM
25°F
0%
7mph
NW
Partly Cloudy
Humidity
55%
Feels like
17°F
Dew Point
11°F
11 AM
26°F
0%
7mph
NW
Mostly Sunny
Humidity
54%
Feels like
19°F
Dew Point
12°F
12 PM
28°F
0%
7mph
WNW
Mostly Sunny
Humidity
52%
Feels like
21°F
Dew Point
13°F
1 PM
29°F
0%
7mph
WNW
Mostly Sunny
Humidity
52%
Feels like
21°F
Dew Point
13°F
2 PM
29°F
0%
7mph
WNW
Mostly Sunny
Humidity
53%
Feels like
22°F
Dew Point
14°F
3 PM
28°F
10%
6mph
WNW
Partly Cloudy
Humidity
54%
Feels like
22°F
Dew Point
14°F
4 PM
28°F
10%
6mph
W
Partly Cloudy
Humidity
58%
Feels like
21°F
Dew Point
15°F
4:24 PM
5 PM
27°F
10%
6mph
W
Partly Cloudy
Humidity
61%
Feels like
21°F
Dew Point
15°F
6 PM
27°F
10%
5mph
W
Mostly Cloudy
Humidity
63%
Feels like
20°F
Dew Point
16°F
7 PM
26°F
10%
5mph
WSW
Mostly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
16°F
8 PM
26°F
10%
5mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
20°F
Dew Point
17°F
9 PM
26°F
20%
5mph
WSW
Cloudy
Humidity
70%
Feels like
19°F
Dew Point
17°F
10 PM
25°F
10%
6mph
WSW
Cloudy
Humidity
71%
Feels like
18°F
Dew Point
17°F
11 PM
25°F
10%
6mph
WSW
Cloudy
Humidity
72%
Feels like
18°F
Dew Point
17°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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