Port Jefferson, NY

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Current Weather Forecast for Port Jefferson

NY 11777  |   6:46am

Weather Conditions

72°
Feels Like 72°
Smoke
Smoke
68° 81°
UV Index
0
UV Index
Air Quality
Unhealthy
Air Quality
Wind
S 9 mph
Wind
Rain
0 in
rain

Today

Sat 7/18
81°
Highest Temperature
Scattered Thunderstorms
50%
Cloudy early with scattered thunderstorms developing this afternoon. A few storms may be severe. High 81F. Winds SSW at 10 to 20 mph. Chance of rain 50%.

Tonight

Sat 7/18
70°
Lowest Temperature
Scattered Thunderstorms
77%
Thunderstorms this evening, then skies turning partly cloudy after midnight. A few storms may be severe. Low around 70F. Winds WSW at 10 to 20 mph. Chance of rain 80%.

Tomorrow

Sun 7/19
81°
Highest Temperature
Partly / Cloudy
5%
Some clouds in the morning will give way to mainly sunny skies for the afternoon. Less humid. High 81F. Winds NW 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

7AM
Mostly Cloudy
2%
73°
Feels Like 73°
Mostly Cloudy
Wind
SSW 9 mph
Wind
Pressure
1015 mb
Pressure
Humidity
89%
Humidity
UV Index
0
UV Index
Visibility
3mi
Visibility
Visibility
63%
Cloud Cover
8AM
Mostly Cloudy
2%
76°
Feels Like 76°
Mostly Cloudy
Wind
SSW 10 mph
Wind
Pressure
1015 mb
Pressure
Humidity
80%
Humidity
UV Index
1
UV Index
Visibility
4mi
Visibility
Visibility
66%
Cloud Cover
9AM
Mostly Cloudy
3%
78°
Feels Like 82°
Mostly Cloudy
Wind
SSW 12 mph
Wind
Pressure
1014 mb
Pressure
Humidity
70%
Humidity
UV Index
2
UV Index
Visibility
4mi
Visibility
Visibility
74%
Cloud Cover
10AM
Cloudy
7%
80°
Feels Like 83°
Cloudy
Wind
SSW 13 mph
Wind
Pressure
1014 mb
Pressure
Humidity
64%
Humidity
UV Index
3
UV Index
Visibility
4mi
Visibility
Visibility
80%
Cloud Cover
11AM
Cloudy
14%
81°
Feels Like 84°
Cloudy
Wind
SSW 14 mph
Wind
Pressure
1014 mb
Pressure
Humidity
63%
Humidity
UV Index
4
UV Index
Visibility
4mi
Visibility
Visibility
86%
Cloud Cover
12PM
Cloudy
16%
78°
Feels Like 82°
Cloudy
Wind
SSW 14 mph
Wind
Pressure
1013 mb
Pressure
Humidity
73%
Humidity
UV Index
4
UV Index
Visibility
3mi
Visibility
Visibility
98%
Cloud Cover
1PM
Cloudy
24%
76°
Feels Like 76°
Cloudy
Wind
SSW 14 mph
Wind
Pressure
1013 mb
Pressure
Humidity
80%
Humidity
UV Index
4
UV Index
Visibility
3mi
Visibility
Visibility
94%
Cloud Cover
2PM
Scattered Thunderstorms
47%
75°
Feels Like 79°
Scattered Thunderstorms
Wind
SSW 15 mph
Wind
Pressure
1012 mb
Pressure
Humidity
86%
Humidity
UV Index
4
UV Index
Visibility
3mi
Visibility
Visibility
88%
Cloud Cover
3PM
Scattered Thunderstorms
42%
75°
Feels Like 80°
Scattered Thunderstorms
Wind
SSW 16 mph
Wind
Pressure
1010 mb
Pressure
Humidity
87%
Humidity
UV Index
5
UV Index
Visibility
4mi
Visibility
Visibility
74%
Cloud Cover
4PM
Cloudy
15%
75°
Feels Like 80°
Cloudy
Wind
SSW 16 mph
Wind
Pressure
1009 mb
Pressure
Humidity
92%
Humidity
UV Index
3
UV Index
Visibility
3mi
Visibility
Visibility
85%
Cloud Cover
5PM
Cloudy
19%
76°
Feels Like 81°
Cloudy
Wind
SSW 16 mph
Wind
Pressure
1007 mb
Pressure
Humidity
94%
Humidity
UV Index
1
UV Index
Visibility
3mi
Visibility
Visibility
90%
Cloud Cover
6PM
Scattered Thunderstorms
50%
75°
Feels Like 81°
Scattered Thunderstorms
Wind
SSW 15 mph
Wind
Pressure
1006 mb
Pressure
Humidity
97%
Humidity
UV Index
1
UV Index
Visibility
5mi
Visibility
Visibility
90%
Cloud Cover
Sat 7/18
Sat
Scattered Thunderstorms
50%
68°
81°
Showers and thunderstorms late. Highs in the low 80s and lows in the low 70s.
Feels Like
84°
Feels Like
Wind
SSW 16 mph
Wind
Humidity
82%
Humidity
UV Index
5
UV Index
Visibility
5:35 AM
Sunrise
Visibility
8:20 PM
Sunset
Sun 7/19
Sun
Partly / Cloudy
5%
67°
81°
Times of sun and clouds. Highs in the low 80s and lows in the low 60s.
Feels Like
81°
Feels Like
Wind
NW 13 mph
Wind
Humidity
55%
Humidity
UV Index
9
UV Index
Visibility
5:36 AM
Sunrise
Visibility
8:19 PM
Sunset
Mon 7/20
Mon
Sunny
1%
63°
79°
Abundant sunshine. Highs in the upper 70s and lows in the upper 60s.
Feels Like
80°
Feels Like
Wind
NW 8 mph
Wind
Humidity
53%
Humidity
UV Index
9
UV Index
Visibility
5:37 AM
Sunrise
Visibility
8:19 PM
Sunset
Tue 7/21
Tue
Showers
64%
68°
78°
Showers possible. Highs in the upper 70s and lows in the low 70s.
Feels Like
81°
Feels Like
Wind
SSE 15 mph
Wind
Humidity
75%
Humidity
UV Index
4
UV Index
Visibility
5:38 AM
Sunrise
Visibility
8:18 PM
Sunset
Wed 7/22
Wed
Scattered Thunderstorms
54%
69°
82°
A few thunderstorms possible. Highs in the low 80s and lows in the mid 60s.
Feels Like
86°
Feels Like
Wind
SW 15 mph
Wind
Humidity
75%
Humidity
UV Index
7
UV Index
Visibility
5:39 AM
Sunrise
Visibility
8:17 PM
Sunset
Thu 7/23
Thu
Partly / Cloudy
24%
65°
79°
Partly cloudy. Highs in the upper 70s and lows in the mid 60s.
Feels Like
80°
Feels Like
Wind
WNW 10 mph
Wind
Humidity
58%
Humidity
UV Index
9
UV Index
Visibility
5:40 AM
Sunrise
Visibility
8:16 PM
Sunset
Fri 7/24
Fri
Sunny
16%
66°
80°
Sunny. Highs in the low 80s and lows in the upper 60s.
Feels Like
81°
Feels Like
Wind
NE 7 mph
Wind
Humidity
59%
Humidity
UV Index
9
UV Index
Visibility
5:41 AM
Sunrise
Visibility
8:15 PM
Sunset
Sat 7/25
Sat
Partly / Cloudy
18%
67°
81°
Partly cloudy. Highs in the low 80s and lows in the upper 60s.
Feels Like
83°
Feels Like
Wind
WSW 9 mph
Wind
Humidity
61%
Humidity
UV Index
9
UV Index
Visibility
5:41 AM
Sunrise
Visibility
8:14 PM
Sunset
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