Port Jefferson, NY

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Current Weather Forecast for Port Jefferson

NY 11777  |   4:00pm

Weather Conditions

75°
Feels Like 75°
Sunny
Sunny
55° 77°
UV Index
3
UV Index
Air Quality
Good
Air Quality
Wind
S 15 mph
Wind
Rain
0 in
rain

Tonight

Thu 9/4
66°
Lowest Temperature
Scattered Thunderstorms
46%
Showers this evening then scattered thunderstorms developing overnight. Low 66F. Winds SSW at 10 to 20 mph. Chance of rain 50%.

Tomorrow

Fri 9/5
81°
Highest Temperature
Fair / Mostly Sunny
9%
Sun and a few passing clouds. High 81F. Winds SSW at 10 to 20 mph.

Tomorrow night

Fri 9/5
69°
Lowest Temperature
Fair / Mostly Clear
14%
A mostly clear sky. Low 69F. Winds SSW at 10 to 20 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

5PM
Sunny
1%
74°
Feels Like 74°
Sunny
Wind
S 16 mph
Wind
Pressure
1010 mb
Pressure
Humidity
58%
Humidity
UV Index
1
UV Index
Visibility
10mi
Visibility
Visibility
12%
Cloud Cover
6PM
Sunny
1%
73°
Feels Like 73°
Sunny
Wind
S 15 mph
Wind
Pressure
1010 mb
Pressure
Humidity
62%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
14%
Cloud Cover
7PM
Sunny
2%
72°
Feels Like 72°
Sunny
Wind
S 13 mph
Wind
Pressure
1010 mb
Pressure
Humidity
67%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
14%
Cloud Cover
8PM
Partly Cloudy
2%
70°
Feels Like 70°
Partly Cloudy
Wind
S 12 mph
Wind
Pressure
1011 mb
Pressure
Humidity
74%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
30%
Cloud Cover
9PM
Mostly Cloudy
6%
69°
Feels Like 69°
Mostly Cloudy
Wind
S 11 mph
Wind
Pressure
1011 mb
Pressure
Humidity
77%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
61%
Cloud Cover
10PM
Mostly Cloudy
14%
69°
Feels Like 69°
Mostly Cloudy
Wind
S 11 mph
Wind
Pressure
1012 mb
Pressure
Humidity
79%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
61%
Cloud Cover
11PM
Showers
35%
69°
Feels Like 70°
Showers
Wind
S 11 mph
Wind
Pressure
1012 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
91%
Cloud Cover
12AM
Showers
46%
69°
Feels Like 70°
Showers
Wind
SSW 11 mph
Wind
Pressure
1012 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
96%
Cloud Cover
1AM
Scattered Thunderstorms
43%
69°
Feels Like 70°
Scattered Thunderstorms
Wind
SSW 10 mph
Wind
Pressure
1012 mb
Pressure
Humidity
83%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
94%
Cloud Cover
2AM
Scattered Thunderstorms
39%
68°
Feels Like 69°
Scattered Thunderstorms
Wind
SSW 9 mph
Wind
Pressure
1012 mb
Pressure
Humidity
85%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
81%
Cloud Cover
3AM
Cloudy
19%
67°
Feels Like 69°
Cloudy
Wind
SSW 8 mph
Wind
Pressure
1012 mb
Pressure
Humidity
88%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
93%
Cloud Cover
4AM
Mostly Cloudy
9%
67°
Feels Like 68°
Mostly Cloudy
Wind
SSW 7 mph
Wind
Pressure
1012 mb
Pressure
Humidity
90%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
64%
Cloud Cover
Thu 9/4
Thu
Scattered Thunderstorms
46%
55°
77°
Scattered thunderstorms. Lows overnight in the mid 60s.
Feels Like
75°
Feels Like
Wind
SSW 15 mph
Wind
Humidity
77%
Humidity
UV Index
0
UV Index
Visibility
6:21 AM
Sunrise
Visibility
7:19 PM
Sunset
Fri 9/5
Fri
Fair / Mostly Sunny
9%
66°
81°
Mostly sunny. Highs in the low 80s and lows in the upper 60s.
Feels Like
82°
Feels Like
Wind
SSW 16 mph
Wind
Humidity
70%
Humidity
UV Index
7
UV Index
Visibility
6:22 AM
Sunrise
Visibility
7:17 PM
Sunset
Sat 9/6
Sat
Partly / Cloudy
24%
67°
82°
Mix of sun and clouds. Highs in the low 80s and lows in the low 60s.
Feels Like
85°
Feels Like
Wind
SSW 16 mph
Wind
Humidity
75%
Humidity
UV Index
7
UV Index
Visibility
6:23 AM
Sunrise
Visibility
7:16 PM
Sunset
Sun 9/7
Sun
Scattered Showers
57%
61°
71°
Showers ending by midday. Highs in the low 70s and lows in the upper 50s.
Feels Like
71°
Feels Like
Wind
NW 9 mph
Wind
Humidity
70%
Humidity
UV Index
5
UV Index
Visibility
6:24 AM
Sunrise
Visibility
7:14 PM
Sunset
Mon 9/8
Mon
Sunny
2%
57°
73°
Abundant sunshine. Highs in the low 70s and lows in the mid 50s.
Feels Like
73°
Feels Like
Wind
NW 9 mph
Wind
Humidity
49%
Humidity
UV Index
7
UV Index
Visibility
6:25 AM
Sunrise
Visibility
7:12 PM
Sunset
Tue 9/9
Tue
Fair / Mostly Sunny
2%
56°
73°
Mostly sunny. Highs in the low 70s and lows in the mid 50s.
Feels Like
73°
Feels Like
Wind
ENE 11 mph
Wind
Humidity
53%
Humidity
UV Index
7
UV Index
Visibility
6:26 AM
Sunrise
Visibility
7:11 PM
Sunset
Wed 9/10
Wed
Partly / Cloudy
11%
56°
72°
Times of sun and clouds. Highs in the low 70s and lows in the upper 50s.
Feels Like
72°
Feels Like
Wind
ENE 11 mph
Wind
Humidity
62%
Humidity
UV Index
6
UV Index
Visibility
6:27 AM
Sunrise
Visibility
7:09 PM
Sunset
Thu 9/11
Thu
Partly / Cloudy
23%
57°
75°
Mix of sun and clouds. Highs in the mid 70s and lows in the mid 50s.
Feels Like
75°
Feels Like
Wind
NW 8 mph
Wind
Humidity
61%
Humidity
UV Index
7
UV Index
Visibility
6:28 AM
Sunrise
Visibility
7:07 PM
Sunset
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