Hourly Weather Forecast - Port Jefferson, NY

4 PM
49°F
10%
6mph
SSW
Cloudy
Humidity
93%
Feels like
46°F
Dew Point
47°F
5 PM
49°F
70%
4mph
SSW
70% Chance of Light Rain
Humidity
93%
Feels like
47°F
Dew Point
47°F
6 PM
48°F
20%
4mph
SSW
Mostly Cloudy
Humidity
98%
Feels like
46°F
Dew Point
47°F
7 PM
47°F
20%
3mph
SSW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
7:06 PM
8 PM
47°F
40%
3mph
S
40% Chance of Light Rain
Humidity
100%
Feels like
45°F
Dew Point
47°F
9 PM
47°F
60%
3mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
47°F
Dew Point
47°F
10 PM
46°F
80%
3mph
ESE
80% Chance of Rain
Humidity
100%
Feels like
46°F
Dew Point
46°F
11 PM
46°F
50%
3mph
E
50% Chance of Rain
Humidity
100%
Feels like
46°F
Dew Point
46°F

Today's Severe Weather Outlook

Dangerous Spring Storms Take Aim at Ohio Valley, Mid-Atlantic

Spring is here and Mother Nature is set to bring dangerous thunderstorms to parts of the Great Lakes, Ohio Valley and Mid-Atlantic.

Today's High Temperature Outlook

Summer-Like Heat Bakes the Southern U.S.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(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

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