Hourly Weather Forecast - Port Jefferson Station, NY

12 AM
36°F
10%
5mph
W
Mostly Cloudy
Humidity
87%
Feels like
32°F
Dew Point
33°F
1 AM
36°F
10%
5mph
W
Mostly Cloudy
Humidity
86%
Feels like
31°F
Dew Point
32°F
2 AM
36°F
0%
6mph
WNW
Partly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
31°F
3 AM
36°F
0%
6mph
WNW
Partly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
31°F
4 AM
35°F
0%
7mph
WNW
Partly Cloudy
Humidity
80%
Feels like
29°F
Dew Point
29°F
5 AM
35°F
0%
7mph
WNW
Partly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
29°F
6 AM
34°F
0%
7mph
NW
Partly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
27°F
7 AM
34°F
0%
7mph
NW
Partly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
27°F
7:14 AM
8 AM
36°F
0%
7mph
NW
Partly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
29°F
9 AM
38°F
0%
7mph
NW
Partly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
29°F
10 AM
39°F
0%
7mph
NW
Partly Cloudy
Humidity
65%
Feels like
34°F
Dew Point
29°F
11 AM
41°F
0%
7mph
NW
Partly Cloudy
Humidity
62%
Feels like
36°F
Dew Point
29°F
12 PM
42°F
0%
7mph
NW
Partly Cloudy
Humidity
58%
Feels like
37°F
Dew Point
28°F
1 PM
42°F
0%
6mph
NW
Partly Cloudy
Humidity
57%
Feels like
38°F
Dew Point
28°F
2 PM
41°F
0%
6mph
NW
Partly Cloudy
Humidity
58%
Feels like
37°F
Dew Point
28°F
3 PM
39°F
0%
5mph
NNW
Mostly Sunny
Humidity
59%
Feels like
36°F
Dew Point
26°F
4 PM
37°F
0%
4mph
NNW
Sunny
Humidity
61%
Feels like
34°F
Dew Point
25°F
4:28 PM
5 PM
35°F
0%
3mph
NNW
Clear
Humidity
65%
Feels like
35°F
Dew Point
24°F
6 PM
33°F
0%
2mph
NNW
Clear
Humidity
68%
Feels like
33°F
Dew Point
23°F
7 PM
31°F
0%
2mph
NNW
Clear
Humidity
66%
Feels like
31°F
Dew Point
21°F
8 PM
31°F
0%
1mph
NNW
Mostly Clear
Humidity
67%
Feels like
31°F
Dew Point
21°F
9 PM
31°F
0%
1mph
NNW
Partly Cloudy
Humidity
70%
Feels like
31°F
Dew Point
22°F
10 PM
30°F
0%
1mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
30°F
Dew Point
22°F
11 PM
30°F
0%
1mph
NW
Mostly Cloudy
Humidity
72%
Feels like
30°F
Dew Point
22°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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