Hourly Weather Forecast - Port Jefferson, NY

9 AM
33°F
0%
2mph
SE
Mostly Sunny
Humidity
66%
Feels like
33°F
Dew Point
23°F
10 AM
36°F
10%
3mph
SSE
Mostly Sunny
Humidity
61%
Feels like
36°F
Dew Point
24°F
11 AM
38°F
10%
3mph
SSE
Partly Cloudy
Humidity
56%
Feels like
36°F
Dew Point
24°F
12 PM
40°F
10%
4mph
S
Mostly Sunny
Humidity
54%
Feels like
38°F
Dew Point
25°F
1 PM
41°F
10%
4mph
S
Partly Cloudy
Humidity
52%
Feels like
38°F
Dew Point
25°F
2 PM
42°F
10%
5mph
S
Partly Cloudy
Humidity
51%
Feels like
38°F
Dew Point
26°F
3 PM
42°F
10%
6mph
S
Partly Cloudy
Humidity
52%
Feels like
39°F
Dew Point
26°F
4 PM
42°F
0%
6mph
S
Partly Cloudy
Humidity
53%
Feels like
38°F
Dew Point
26°F
5 PM
41°F
0%
6mph
S
Partly Cloudy
Humidity
56%
Feels like
37°F
Dew Point
26°F
6 PM
40°F
0%
6mph
S
Mostly Sunny
Humidity
60%
Feels like
36°F
Dew Point
27°F
7 PM
39°F
0%
6mph
S
Partly Cloudy
Humidity
64%
Feels like
35°F
Dew Point
28°F
7:03 PM
8 PM
38°F
0%
6mph
S
Partly Cloudy
Humidity
68%
Feels like
34°F
Dew Point
29°F
9 PM
38°F
0%
5mph
S
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
30°F
10 PM
38°F
0%
5mph
S
Partly Cloudy
Humidity
75%
Feels like
34°F
Dew Point
31°F
11 PM
38°F
0%
5mph
S
Partly Cloudy
Humidity
77%
Feels like
34°F
Dew Point
31°F

Today's High Temperature Outlook

Summer-Like Heat Scorches the Southwest

The calendar may stay it's only March, but it will feel like Summer across the Southwest over the next several days.

Today's Weather Outlook

Today's Weather Outlook

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

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