Hourly Weather Forecast - Port Jefferson, NY

8 AM
28°F
0%
6mph
NW
Partly Cloudy
Humidity
53%
Feels like
21°F
Dew Point
13°F
9 AM
29°F
0%
6mph
NW
Partly Cloudy
Humidity
50%
Feels like
23°F
Dew Point
13°F
10 AM
31°F
0%
7mph
NNW
Mostly Cloudy
Humidity
48%
Feels like
24°F
Dew Point
13°F
11 AM
32°F
10%
6mph
N
Cloudy
Humidity
46%
Feels like
26°F
Dew Point
13°F
12 PM
33°F
0%
4mph
N
Mostly Cloudy
Humidity
44%
Feels like
28°F
Dew Point
13°F
1 PM
34°F
0%
2mph
NE
Mostly Cloudy
Humidity
42%
Feels like
34°F
Dew Point
13°F
2 PM
35°F
0%
1mph
E
Partly Cloudy
Humidity
41%
Feels like
35°F
Dew Point
13°F
3 PM
35°F
0%
2mph
SSE
Partly Cloudy
Humidity
41%
Feels like
35°F
Dew Point
14°F
4 PM
35°F
0%
3mph
S
Partly Cloudy
Humidity
43%
Feels like
32°F
Dew Point
14°F
5 PM
34°F
0%
5mph
S
Partly Cloudy
Humidity
45%
Feels like
29°F
Dew Point
15°F
6 PM
33°F
0%
5mph
S
Mostly Sunny
Humidity
49%
Feels like
28°F
Dew Point
16°F
7 PM
32°F
0%
4mph
S
Sunny
Humidity
53%
Feels like
28°F
Dew Point
17°F
7:02 PM
8 PM
31°F
0%
4mph
SSE
Clear
Humidity
57%
Feels like
27°F
Dew Point
17°F
9 PM
30°F
0%
3mph
SSE
Clear
Humidity
61%
Feels like
27°F
Dew Point
18°F
10 PM
30°F
0%
3mph
SSE
Clear
Humidity
63%
Feels like
30°F
Dew Point
19°F
11 PM
30°F
0%
2mph
SSE
Clear
Humidity
65%
Feels like
30°F
Dew Point
19°F

Today's Weather Outlook

Today's Weather Outlook

While most of the U.S. sees dry weather, Mother Nature still has a couple tricks up its sleeves today.

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

Blizzard: Its True Definition

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide