Search
The FOX Weather App Learn More
Fox Weather App on an iPhone, Fox Weather logo overlapping
Fox Weather live
U.S. / NY / Port Jefferson / 11777

Port Jefferson, NY

See Radar

Current Weather Forecast for Port Jefferson

NY 11777  |   8:20pm

Weather Conditions

71°
Feels Like 71°
Partly Cloudy
Partly Cloudy
68° 83°
UV Index
0
UV Index
Air Quality
Good
Air Quality
Wind
S 5 mph
Wind
Rain
0 in
rain

Tonight

Thu 8/27
70°
Lowest Temperature
Mostly Cloudy
20%
Partly cloudy early followed by cloudy skies overnight. Low around 70F. Winds light and variable.

Tomorrow

Fri 8/28
80°
Highest Temperature
Mostly Cloudy
24%
Considerable cloudiness. High near 80F. Winds light and variable.

Tomorrow night

Fri 8/28
66°
Lowest Temperature
Partly Cloudy
12%
Mostly cloudy skies early, then partly cloudy after midnight. Low 66F. Winds NNW 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

9PM
Mostly Cloudy
4%
71°
Feels Like 71°
Mostly Cloudy
Wind
S 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
100%
Humidity
UV Index
0
UV Index
Visibility
9mi
Visibility
Visibility
60%
Cloud Cover
10PM
Mostly Cloudy
5%
71°
Feels Like 71°
Mostly Cloudy
Wind
S 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
100%
Humidity
UV Index
0
UV Index
Visibility
9mi
Visibility
Visibility
65%
Cloud Cover
11PM
Mostly Cloudy
5%
71°
Feels Like 71°
Mostly Cloudy
Wind
S 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
99%
Humidity
UV Index
0
UV Index
Visibility
9mi
Visibility
Visibility
67%
Cloud Cover
12AM
Cloudy
6%
73°
Feels Like 73°
Cloudy
Wind
S 5 mph
Wind
Pressure
1015 mb
Pressure
Humidity
96%
Humidity
UV Index
0
UV Index
Visibility
8mi
Visibility
Visibility
81%
Cloud Cover
1AM
Cloudy
6%
72°
Feels Like 72°
Cloudy
Wind
SSW 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
99%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
86%
Cloud Cover
2AM
Cloudy
6%
72°
Feels Like 72°
Cloudy
Wind
SSW 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
99%
Humidity
UV Index
0
UV Index
Visibility
6mi
Visibility
Visibility
82%
Cloud Cover
3AM
Cloudy
8%
72°
Feels Like 72°
Cloudy
Wind
SSW 4 mph
Wind
Pressure
1014 mb
Pressure
Humidity
99%
Humidity
UV Index
0
UV Index
Visibility
6mi
Visibility
Visibility
83%
Cloud Cover
4AM
Cloudy
12%
72°
Feels Like 75°
Cloudy
Wind
SSW 4 mph
Wind
Pressure
1014 mb
Pressure
Humidity
97%
Humidity
UV Index
0
UV Index
Visibility
4mi
Visibility
Visibility
80%
Cloud Cover
5AM
Mostly Cloudy
21%
72°
Feels Like 75°
Mostly Cloudy
Wind
SSW 3 mph
Wind
Pressure
1014 mb
Pressure
Humidity
97%
Humidity
UV Index
0
UV Index
Visibility
3mi
Visibility
Visibility
72%
Cloud Cover
6AM
Mostly Cloudy
20%
71°
Feels Like 74°
Mostly Cloudy
Wind
SW 3 mph
Wind
Pressure
1014 mb
Pressure
Humidity
99%
Humidity
UV Index
0
UV Index
Visibility
2mi
Visibility
Visibility
71%
Cloud Cover
7AM
Cloudy
20%
71°
Feels Like 74°
Cloudy
Wind
SW 2 mph
Wind
Pressure
1015 mb
Pressure
Humidity
98%
Humidity
UV Index
0
UV Index
Visibility
4mi
Visibility
Visibility
86%
Cloud Cover
8AM
Cloudy
20%
73°
Feels Like 76°
Cloudy
Wind
WSW 3 mph
Wind
Pressure
1015 mb
Pressure
Humidity
94%
Humidity
UV Index
0
UV Index
Visibility
9mi
Visibility
Visibility
87%
Cloud Cover
Thu 8/27
Thu
Mostly Cloudy
20%
68°
83°
Considerable cloudiness. Lows overnight in the low 70s.
Feels Like
76°
Feels Like
Wind
SSW 5 mph
Wind
Humidity
98%
Humidity
UV Index
0
UV Index
Visibility
6:13 AM
Sunrise
Visibility
7:32 PM
Sunset
Fri 8/28
Fri
Mostly Cloudy
24%
70°
80°
More clouds than sun. Highs in the low 80s and lows in the mid 60s.
Feels Like
83°
Feels Like
Wind
WSW 6 mph
Wind
Humidity
82%
Humidity
UV Index
7
UV Index
Visibility
6:14 AM
Sunrise
Visibility
7:31 PM
Sunset
Sat 8/29
Sat
Partly / Cloudy
3%
66°
77°
Times of sun and clouds. Highs in the upper 70s and lows in the mid 60s.
Feels Like
77°
Feels Like
Wind
NNE 10 mph
Wind
Humidity
57%
Humidity
UV Index
7
UV Index
Visibility
6:15 AM
Sunrise
Visibility
7:29 PM
Sunset
Sun 8/30
Sun
Partly / Cloudy
5%
64°
83°
Mix of sun and clouds. Highs in the low 80s and lows in the low 70s.
Feels Like
83°
Feels Like
Wind
WSW 12 mph
Wind
Humidity
63%
Humidity
UV Index
7
UV Index
Visibility
6:16 AM
Sunrise
Visibility
7:28 PM
Sunset
Mon 8/31
Mon
Partly / Cloudy
22%
70°
79°
Times of sun and clouds. Highs in the upper 70s and lows in the upper 60s.
Feels Like
82°
Feels Like
Wind
WNW 7 mph
Wind
Humidity
74%
Humidity
UV Index
7
UV Index
Visibility
6:17 AM
Sunrise
Visibility
7:26 PM
Sunset
Tue 9/1
Tue
Showers
72%
69°
76°
Chance of showers. Highs in the mid 70s and lows in the upper 60s.
Feels Like
79°
Feels Like
Wind
SE 10 mph
Wind
Humidity
84%
Humidity
UV Index
5
UV Index
Visibility
6:18 AM
Sunrise
Visibility
7:24 PM
Sunset
Wed 9/2
Wed
Scattered Thunderstorms
65%
68°
79°
Scattered thunderstorms possible. Highs in the upper 70s and lows in the low 70s.
Feels Like
83°
Feels Like
Wind
SSE 9 mph
Wind
Humidity
83%
Humidity
UV Index
5
UV Index
Visibility
6:19 AM
Sunrise
Visibility
7:23 PM
Sunset
Thu 9/3
Thu
Scattered Showers
51%
70°
79°
Showers ending by midday. Highs in the low 80s and lows in the upper 60s.
Feels Like
82°
Feels Like
Wind
W 11 mph
Wind
Humidity
76%
Humidity
UV Index
6
UV Index
Visibility
6:20 AM
Sunrise
Visibility
7:21 PM
Sunset
Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.
Download the App

Looking for homes in this area?

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

Latest Stories from New York

Leaf-peeping season is almost here. Here's where to catch peak fall colors

Leaf-peeping season is almost here. Here's where to catch peak fall colors

Fall is almost here, and that means leaf-peeping season is right around the corner. Whether you’re planning a getaway to New England, the Great Smoky Mountains or a weekend adventure closer to home, here is everything you need to know to plan your fall foliage trip, including expected peak timing and some of the best places to see the fall colors.

Loading...