Hourly Weather Forecast - Port Jefferson Station, NY

12 AM
32°F
0%
4mph
WSW
Cloudy
Humidity
62%
Feels like
28°F
Dew Point
20°F
1 AM
31°F
10%
4mph
WSW
Cloudy
Humidity
64%
Feels like
28°F
Dew Point
20°F
2 AM
31°F
20%
3mph
WSW
Cloudy
Humidity
67%
Feels like
31°F
Dew Point
21°F
3 AM
31°F
30%
2mph
WSW
30% Chance of Flurries
Humidity
70%
Feels like
31°F
Dew Point
22°F
4 AM
31°F
50%
2mph
SW
50% Chance of Flurries
Humidity
73%
Feels like
31°F
Dew Point
24°F
5 AM
32°F
60%
2mph
SW
60% Chance of Snow
Humidity
74%
Feels like
32°F
Dew Point
24°F
6 AM
33°F
70%
2mph
SSW
70% Chance Frozen Mix
Humidity
72%
Feels like
33°F
Dew Point
25°F
7 AM
34°F
70%
3mph
SSW
70% Chance Frozen Mix
Humidity
71%
Feels like
34°F
Dew Point
26°F
7:14 AM
8 AM
36°F
60%
4mph
S
60% Chance of Rain
Humidity
76%
Feels like
34°F
Dew Point
29°F
9 AM
38°F
60%
5mph
S
60% Chance of Light Rain
Humidity
78%
Feels like
35°F
Dew Point
32°F
10 AM
40°F
60%
6mph
SSW
60% Chance of Light Rain
Humidity
78%
Feels like
36°F
Dew Point
33°F
11 AM
40°F
70%
6mph
SSW
70% Chance of Light Rain
Humidity
79%
Feels like
36°F
Dew Point
34°F
12 PM
40°F
70%
6mph
SSW
70% Chance of Light Rain
Humidity
81%
Feels like
36°F
Dew Point
35°F
1 PM
40°F
60%
6mph
SW
60% Chance of Light Rain
Humidity
83%
Feels like
36°F
Dew Point
35°F
2 PM
40°F
40%
6mph
SW
40% Chance of Light Rain
Humidity
86%
Feels like
36°F
Dew Point
36°F
3 PM
39°F
30%
5mph
SW
30% Chance of Light Rain
Humidity
86%
Feels like
36°F
Dew Point
36°F
4 PM
39°F
30%
5mph
SW
30% Chance of Light Rain
Humidity
86%
Feels like
35°F
Dew Point
35°F
4:28 PM
5 PM
38°F
30%
5mph
SW
30% Chance Rain Showers
Humidity
86%
Feels like
34°F
Dew Point
34°F
6 PM
37°F
20%
5mph
WSW
Mostly Cloudy
Humidity
87%
Feels like
33°F
Dew Point
33°F
7 PM
36°F
20%
5mph
WSW
Mostly Cloudy
Humidity
84%
Feels like
32°F
Dew Point
32°F
8 PM
36°F
10%
5mph
W
Mostly Cloudy
Humidity
87%
Feels like
32°F
Dew Point
32°F
9 PM
36°F
10%
5mph
W
Mostly Cloudy
Humidity
89%
Feels like
32°F
Dew Point
33°F
10 PM
36°F
0%
5mph
W
Mostly Cloudy
Humidity
87%
Feels like
32°F
Dew Point
32°F
11 PM
36°F
0%
5mph
W
Mostly Cloudy
Humidity
86%
Feels like
32°F
Dew Point
32°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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