Hourly Weather Forecast - Port Jefferson Station, NY

12 AM
28°F
0%
9mph
WNW
Clear
Humidity
58%
Feels like
20°F
Dew Point
15°F
1 AM
28°F
0%
9mph
WNW
Clear
Humidity
59%
Feels like
19°F
Dew Point
15°F
2 AM
27°F
0%
8mph
NW
Clear
Humidity
60%
Feels like
19°F
Dew Point
15°F
3 AM
27°F
0%
8mph
NW
Clear
Humidity
59%
Feels like
19°F
Dew Point
14°F
4 AM
26°F
0%
7mph
NW
Clear
Humidity
59%
Feels like
19°F
Dew Point
14°F
5 AM
26°F
0%
6mph
NW
Clear
Humidity
59%
Feels like
19°F
Dew Point
13°F
6 AM
26°F
0%
6mph
NW
Clear
Humidity
56%
Feels like
20°F
Dew Point
13°F
7 AM
27°F
0%
5mph
NW
Clear
Humidity
54%
Feels like
21°F
Dew Point
13°F
7:13 AM
8 AM
28°F
0%
4mph
NW
Sunny
Humidity
55%
Feels like
24°F
Dew Point
14°F
9 AM
30°F
0%
4mph
NW
Sunny
Humidity
54%
Feels like
26°F
Dew Point
16°F
10 AM
32°F
0%
4mph
WNW
Sunny
Humidity
51%
Feels like
28°F
Dew Point
16°F
11 AM
34°F
0%
4mph
WNW
Sunny
Humidity
50%
Feels like
30°F
Dew Point
17°F
12 PM
35°F
0%
4mph
W
Sunny
Humidity
49%
Feels like
32°F
Dew Point
18°F
1 PM
36°F
0%
4mph
W
Sunny
Humidity
49%
Feels like
33°F
Dew Point
19°F
2 PM
37°F
0%
4mph
W
Partly Cloudy
Humidity
51%
Feels like
33°F
Dew Point
20°F
3 PM
37°F
0%
4mph
W
Mostly Cloudy
Humidity
52%
Feels like
33°F
Dew Point
20°F
4 PM
36°F
0%
4mph
WSW
Cloudy
Humidity
53%
Feels like
33°F
Dew Point
20°F
4:27 PM
5 PM
35°F
0%
4mph
WSW
Mostly Cloudy
Humidity
55%
Feels like
31°F
Dew Point
20°F
6 PM
34°F
0%
4mph
WSW
Partly Cloudy
Humidity
57%
Feels like
29°F
Dew Point
20°F
7 PM
33°F
0%
5mph
WSW
Partly Cloudy
Humidity
56%
Feels like
28°F
Dew Point
19°F
8 PM
33°F
0%
5mph
WSW
Partly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
19°F
9 PM
33°F
0%
5mph
WSW
Partly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
20°F
10 PM
32°F
0%
5mph
WSW
Mostly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
20°F
11 PM
32°F
0%
4mph
WSW
Mostly Cloudy
Humidity
60%
Feels like
28°F
Dew Point
20°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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