Port Jefferson, NY

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Current Weather Forecast for Port Jefferson

NY 11777  |   12:35am

Weather Conditions

45°
Feels Like 37°
Partly Cloudy
Partly Cloudy
34° 45°
UV Index
0
UV Index
Air Quality
Good
Air Quality
Wind
ESE 17 mph
Wind
Rain
0 in
rain

Tonight

Sun 3/15
44°
Lowest Temperature
Heavy Rain
100%
A steady rain. The rain will be heavy at times. Low 44F. Winds SE at 15 to 25 mph. Chance of rain 100%. Rainfall around a half an inch.

Tomorrow

Mon 3/16
56°
Highest Temperature
Thunderstorms
93%
Windy with showers and thunderstorms likely. High 56F. Winds S at 25 to 35 mph. Chance of rain 90%. Rainfall may reach one inch. Locally heavy rainfall possible.

Tomorrow night

Mon 3/16
34°
Lowest Temperature
Rain
84%
Windy...showers and thundershowers during the evening will give way to a steadier rain overnight. Low 34F. Winds SSW at 25 to 35 mph. Chance of rain 80%. Winds could occasionally gust over 40 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

1AM
Mostly Cloudy
12%
45°
Feels Like 38°
Mostly Cloudy
Wind
SE 17 mph
Wind
Pressure
1021 mb
Pressure
Humidity
86%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
60%
Cloud Cover
2AM
Mostly Cloudy
19%
46°
Feels Like 39°
Mostly Cloudy
Wind
SE 17 mph
Wind
Pressure
1019 mb
Pressure
Humidity
87%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
73%
Cloud Cover
3AM
Showers
39%
47°
Feels Like 40°
Showers
Wind
SE 17 mph
Wind
Pressure
1017 mb
Pressure
Humidity
90%
Humidity
UV Index
0
UV Index
Visibility
6mi
Visibility
Visibility
79%
Cloud Cover
4AM
Rain
100%
47°
Feels Like 40°
Rain
Wind
SE 17 mph
Wind
Pressure
1015 mb
Pressure
Humidity
92%
Humidity
UV Index
0
UV Index
Visibility
4mi
Visibility
Visibility
100%
Cloud Cover
5AM
Heavy Rain
100%
48°
Feels Like 41°
Heavy Rain
Wind
SE 18 mph
Wind
Pressure
1014 mb
Pressure
Humidity
95%
Humidity
UV Index
0
UV Index
Visibility
2.7mi
Visibility
Visibility
100%
Cloud Cover
6AM
Heavy Rain
100%
49°
Feels Like 42°
Heavy Rain
Wind
SSE 19 mph
Wind
Pressure
1012 mb
Pressure
Humidity
96%
Humidity
UV Index
0
UV Index
Visibility
0.93mi
Visibility
Visibility
100%
Cloud Cover
7AM
Showers
48%
49°
Feels Like 43°
Showers
Wind
SSE 19 mph
Wind
Pressure
1011 mb
Pressure
Humidity
97%
Humidity
UV Index
0
UV Index
Visibility
1.1mi
Visibility
Visibility
99%
Cloud Cover
8AM
Thunderstorms
69%
50°
Feels Like 44°
Thunderstorms
Wind
SSE 18 mph
Wind
Pressure
1010 mb
Pressure
Humidity
97%
Humidity
UV Index
0
UV Index
Visibility
0.5mi
Visibility
Visibility
95%
Cloud Cover
9AM
Thunderstorms
89%
52°
Feels Like 46°
Thunderstorms
Wind
S 18 mph
Wind
Pressure
1010 mb
Pressure
Humidity
96%
Humidity
UV Index
0
UV Index
Visibility
0.5mi
Visibility
Visibility
97%
Cloud Cover
10AM
Thunderstorms
93%
53°
Feels Like 48°
Thunderstorms
Wind
S 19 mph
Wind
Pressure
1009 mb
Pressure
Humidity
92%
Humidity
UV Index
1
UV Index
Visibility
0.5mi
Visibility
Visibility
97%
Cloud Cover
11AM
Thunderstorms
81%
54°
Feels Like 49°
Thunderstorms
Wind
S 19 mph
Wind
Pressure
1008 mb
Pressure
Humidity
92%
Humidity
UV Index
1
UV Index
Visibility
0.5mi
Visibility
Visibility
98%
Cloud Cover
12PM
Thunderstorms
87%
55°
Feels Like 50°
Thunderstorms/Wind
Wind
S 21 mph
Wind
Pressure
1007 mb
Pressure
Humidity
91%
Humidity
UV Index
2
UV Index
Visibility
1mi
Visibility
Visibility
99%
Cloud Cover
Sun 3/15
Sun
Heavy Rain
100%
34°
45°
Rain, heavy at times. Lows overnight in the mid 40s.
Feels Like
38°
Feels Like
Wind
SE 19 mph
Wind
Humidity
90%
Humidity
UV Index
0
UV Index
Visibility
7:03 AM
Sunrise
Visibility
6:58 PM
Sunset
Mon 3/16
Mon
Thunderstorms
93%
31°
46°
Windy with showers and thunderstorms. Highs in the mid 50s and lows in the mid 30s.
Feels Like
42°
Feels Like
Wind
S 26 mph
Wind
Humidity
94%
Humidity
UV Index
2
UV Index
Visibility
7:02 AM
Sunrise
Visibility
7:00 PM
Sunset
Tue 3/17
Tue
Windy
2%
44°
56°
Mostly sunny and windy. Highs in the low 40s and lows in the mid 20s.
Feels Like
25°
Feels Like
Wind
W 21 mph
Wind
Humidity
43%
Humidity
UV Index
5
UV Index
Visibility
7:00 AM
Sunrise
Visibility
7:01 PM
Sunset
Wed 3/18
Wed
Mostly Cloudy
29°
53°
Considerable cloudiness. Highs in the mid 30s and lows in the low 30s.
Feels Like
17°
Feels Like
Wind
W 9 mph
Wind
Humidity
40%
Humidity
UV Index
3
UV Index
Visibility
6:58 AM
Sunrise
Visibility
7:02 PM
Sunset
Thu 3/19
Thu
Partly / Cloudy
3%
25°
36°
Mix of sun and clouds. Highs in the low 40s and lows in the mid 30s.
Feels Like
29°
Feels Like
Wind
SSE 8 mph
Wind
Humidity
59%
Humidity
UV Index
4
UV Index
Visibility
6:57 AM
Sunrise
Visibility
7:03 PM
Sunset
Fri 3/20
Fri
Partly / Cloudy
10%
30°
42°
Mix of sun and clouds. Highs in the upper 40s and lows in the mid 30s.
Feels Like
33°
Feels Like
Wind
W 10 mph
Wind
Humidity
58%
Humidity
UV Index
5
UV Index
Visibility
6:55 AM
Sunrise
Visibility
7:04 PM
Sunset
Sat 3/21
Sat
Scattered Showers
41%
35°
48°
A few morning showers. Highs in the low 40s and lows in the low 30s.
Feels Like
29°
Feels Like
Wind
NNE 13 mph
Wind
Humidity
73%
Humidity
UV Index
3
UV Index
Visibility
6:53 AM
Sunrise
Visibility
7:05 PM
Sunset
Sun 3/22
Sun
Partly / Cloudy
24%
35°
44°
Partly cloudy. Highs in the low 40s and lows in the low 30s.
Feels Like
25°
Feels Like
Wind
NW 14 mph
Wind
Humidity
53%
Humidity
UV Index
4
UV Index
Visibility
6:51 AM
Sunrise
Visibility
7:06 PM
Sunset
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