Port Jefferson, NY

See Radar

Current Weather Forecast for Port Jefferson

NY 11777  |   11:51pm

Weather Conditions

65°
Feels Like 65°
Clear
Clear
58° 89°
UV Index
0
UV Index
Air Quality
Moderate
Air Quality
Wind
SSW 4 mph
Wind
Rain
0 in
rain

Tonight

Sun 5/17
61°
Lowest Temperature
Fair / Mostly Clear
3%
Mostly clear. Low 61F. Winds light and variable.

Tomorrow

Mon 5/18
81°
Highest Temperature
Sunny
6%
Sunny skies. High 81F. ENE winds shifting to S at 10 to 20 mph.

Tomorrow night

Mon 5/18
64°
Lowest Temperature
Fair / Mostly Clear
7%
Generally fair. Low 64F. Winds SSW at 10 to 15 mph.

Local Weather Radar - Port Jefferson, NY

Live Port Jefferson Local Radar Forecast by FOX Weather

Next 12 Hours Forecast in Port Jefferson

Hourly Weather Forecast & Temperature

12AM
Fair / Mostly Clear
2%
66°
Feels Like 66°
Mostly Clear
Wind
SW 4 mph
Wind
Pressure
1019 mb
Pressure
Humidity
77%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
25%
Cloud Cover
1AM
Fair / Mostly Clear
2%
65°
Feels Like 65°
Mostly Clear
Wind
SW 3 mph
Wind
Pressure
1020 mb
Pressure
Humidity
79%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
27%
Cloud Cover
2AM
Fair / Mostly Clear
2%
65°
Feels Like 65°
Mostly Clear
Wind
SW 2 mph
Wind
Pressure
1020 mb
Pressure
Humidity
83%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
26%
Cloud Cover
3AM
Fair / Mostly Clear
2%
65°
Feels Like 65°
Mostly Clear
Wind
WSW 3 mph
Wind
Pressure
1020 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
28%
Cloud Cover
4AM
Fair / Mostly Clear
2%
64°
Feels Like 64°
Mostly Clear
Wind
WSW 2 mph
Wind
Pressure
1020 mb
Pressure
Humidity
84%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
25%
Cloud Cover
5AM
Fair / Mostly Clear
2%
63°
Feels Like 63°
Mostly Clear
Wind
WSW 2 mph
Wind
Pressure
1021 mb
Pressure
Humidity
85%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
23%
Cloud Cover
6AM
Fair / Mostly Sunny
2%
62°
Feels Like 62°
Mostly Sunny
Wind
N 1 mph
Wind
Pressure
1022 mb
Pressure
Humidity
86%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
21%
Cloud Cover
7AM
Partly / Cloudy
6%
64°
Feels Like 64°
Partly Cloudy
Wind
NE 2 mph
Wind
Pressure
1022 mb
Pressure
Humidity
80%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
31%
Cloud Cover
8AM
Fair / Mostly Sunny
4%
68°
Feels Like 68°
Mostly Sunny
Wind
NE 4 mph
Wind
Pressure
1023 mb
Pressure
Humidity
73%
Humidity
UV Index
1
UV Index
Visibility
10mi
Visibility
Visibility
20%
Cloud Cover
9AM
Fair / Mostly Sunny
2%
70°
Feels Like 70°
Mostly Sunny
Wind
NE 6 mph
Wind
Pressure
1023 mb
Pressure
Humidity
67%
Humidity
UV Index
3
UV Index
Visibility
10mi
Visibility
Visibility
21%
Cloud Cover
10AM
Fair / Mostly Sunny
1%
72°
Feels Like 72°
Mostly Sunny
Wind
ENE 6 mph
Wind
Pressure
1023 mb
Pressure
Humidity
65%
Humidity
UV Index
5
UV Index
Visibility
10mi
Visibility
Visibility
24%
Cloud Cover
11AM
Fair / Mostly Sunny
1%
74°
Feels Like 74°
Mostly Sunny
Wind
ENE 6 mph
Wind
Pressure
1022 mb
Pressure
Humidity
62%
Humidity
UV Index
6
UV Index
Visibility
10mi
Visibility
Visibility
28%
Cloud Cover
Sun 5/17
Sun
Fair / Mostly Clear
3%
58°
89°
A few clouds. Lows overnight in the low 60s.
Feels Like
61°
Feels Like
Wind
WSW 4 mph
Wind
Humidity
82%
Humidity
UV Index
0
UV Index
Visibility
5:32 AM
Sunrise
Visibility
8:05 PM
Sunset
Mon 5/18
Mon
Sunny
6%
61°
81°
Abundant sunshine. Highs in the low 80s and lows in the mid 60s.
Feels Like
81°
Feels Like
Wind
SE 14 mph
Wind
Humidity
60%
Humidity
UV Index
8
UV Index
Visibility
5:32 AM
Sunrise
Visibility
8:06 PM
Sunset
Tue 5/19
Tue
Fair / Mostly Sunny
18%
64°
88°
Plenty of sun. Highs in the upper 80s and lows in the upper 60s.
Feels Like
89°
Feels Like
Wind
SSW 16 mph
Wind
Humidity
57%
Humidity
UV Index
8
UV Index
Visibility
5:31 AM
Sunrise
Visibility
8:06 PM
Sunset
Wed 5/20
Wed
Scattered Showers
77%
63°
87°
Afternoon showers, maybe some thunder. Highs in the upper 80s and lows in the mid 50s.
Feels Like
87°
Feels Like
Wind
WSW 15 mph
Wind
Humidity
52%
Humidity
UV Index
8
UV Index
Visibility
5:30 AM
Sunrise
Visibility
8:07 PM
Sunset
Thu 5/21
Thu
Cloudy
11%
53°
65°
Cloudy. Highs in the mid 60s and lows in the low 50s.
Feels Like
65°
Feels Like
Wind
N 10 mph
Wind
Humidity
50%
Humidity
UV Index
5
UV Index
Visibility
5:29 AM
Sunrise
Visibility
8:08 PM
Sunset
Fri 5/22
Fri
Mostly Cloudy
13%
51°
62°
More clouds than sun. Highs in the low 60s and lows in the low 50s.
Feels Like
51°
Feels Like
Wind
E 11 mph
Wind
Humidity
50%
Humidity
UV Index
5
UV Index
Visibility
5:28 AM
Sunrise
Visibility
8:09 PM
Sunset
Sat 5/23
Sat
Rain
71%
51°
60°
Rain. Highs in the low 60s and lows in the mid 50s.
Feels Like
50°
Feels Like
Wind
E 13 mph
Wind
Humidity
68%
Humidity
UV Index
4
UV Index
Visibility
5:28 AM
Sunrise
Visibility
8:10 PM
Sunset
Sun 5/24
Sun
Showers
71%
54°
63°
Showers. Highs in the low 60s and lows in the mid 50s.
Feels Like
55°
Feels Like
Wind
ESE 10 mph
Wind
Humidity
79%
Humidity
UV Index
4
UV Index
Visibility
5:27 AM
Sunrise
Visibility
8:11 PM
Sunset
Need to see beyond 12 Hours?
Find more forecast on the FREE FOX WEATHER App

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from New York

You could see the Northern Lights in these states due to a geomagnetic storm

A fast stream of solar wind from a colossal coronal hole in the sun’s atmosphere could spark a geomagnetic storm, bringing with them the potential to see the Northern Lights. NOAA issued a Geomagnetic Storm Watch for Thursday and Friday, warning that the strongest geomagnetic activity is expected between 11 p.m. and 2 a.m. EST.

Loading...