Weather Forecast and Conditions for Port Jefferson, New York 11777 - The Weather Channel | Weather.com
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33° Clear Night
Clear
Day 43° • Night 34°
Feels Like24°
Sunrise

6:48 am

Sunset

7:08 pm

Temperature
High / Low
43°/34°
Wind
13 mph
Humidity
Humidity
60%
Dew point
Dew Point
21°
Pressure
Pressure
30.23 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 6
Moon Phase
Waxing Crescent

Hourly Weather-

Now

Clear Night Clear
32°
Rain drop 1%
NNW 13 mph
Subtract

Clear

  • Temperature feels like
    Feels Like23°
  • WindNNW 13 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Mixed precipitation
    Precip Amount0 in

5 am

Clear Night Clear
32°
Rain drop 1%
NNW 13 mph
Add

Clear

  • Temperature feels like
    Feels Like23°
  • WindNNW 13 mph
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Mixed precipitation
    Precip Amount0 in

6 am

Clear Night Clear
31°
Rain drop 1%
NNW 12 mph
Add

Clear

  • Temperature feels like
    Feels Like22°
  • WindNNW 12 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Mixed precipitation
    Precip Amount0 in

7 am

Sunny Sunny
31°
Rain drop 1%
NNW 12 mph
Add

Sunny

  • Temperature feels like
    Feels Like22°
  • WindNNW 12 mph
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Mixed precipitation
    Precip Amount0 in
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10 Day Weather-

Today

Sunny Sunny
43°/34°
Rain drop 1%
Subtract

Day

43°
Sunny
Rain drop
1%
NW 13 mph

Sunny. High 43F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:08 pm

Night

34°
Mostly Cloudy Night
Mixed precipitation
5%
SW 10 mph

Partly cloudy this evening, then becoming cloudy after midnight. Low 34F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:00 am
  • Moonset
    Moonset1:13 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Mostly Cloudy Day Mostly Cloudy
47°/40°
Rain drop 5%
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Day

47°
Mostly Cloudy Day
Rain drop
5%
SW 12 mph

Mostly cloudy. High 47F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:09 pm

Night

40°
Cloudy
Mixed precipitation
10%
S 11 mph

Overcast. Low around 40F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:02 am
  • Moonset
    Moonset2:20 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Mostly Cloudy Day Mostly Cloudy
58°/47°
Rain drop 21%
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Day

58°
Mostly Cloudy Day
Rain drop
21%
SSW 15 mph

Mostly cloudy. High 58F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity72%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:10 pm

Night

47°
Showers
Rain drop
58%
SW 13 mph

Cloudy with showers. Low 47F. Winds SW at 10 to 20 mph. Chance of rain 60%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:12 pm
  • Moonset
    Moonset3:17 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Scattered Showers Day AM Showers
49°/27°
Rain drop 44%
Add

Day

49°
Scattered Showers Day
Rain drop
44%
NNW 14 mph

Rain showers early with overcast skies later in the day. High 49F. Winds NNW at 10 to 20 mph. Chance of rain 40%.

  • Humidity
    Humidity61%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:12 pm

Night

27°
Partly Cloudy Night
Mixed precipitation
3%
N 9 mph

A few clouds. Low 27F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:26 pm
  • Moonset
    Moonset4:01 am
  • Moon Phase - Day 9 Waxing Gibbous
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