10-Day Weather Forecast for Port Jefferson, New York 11777 - The Weather Channel | weather.com
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10 Day Weather-

As of 11:54 pm EDT

Tonight

Partly Cloudy Night Partly Cloudy
--/30°
Rain drop 1%
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Night

30°
Partly Cloudy Night
Mixed precipitation
1%
NNW 16 mph

Partly cloudy skies. Low near 30F. Winds NNW at 10 to 20 mph.

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  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:09 am
  • Moonset
    Moonset--
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Sunny Sunny
44°/35°
Rain drop 1%
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Day

44°
Sunny
Rain drop
1%
NW 13 mph

A mainly sunny sky. High 44F. Winds NW at 10 to 20 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:08 pm

Night

35°
Mostly Cloudy Night
Mixed precipitation
4%
SW 10 mph

Partly cloudy skies during the evening will give way to cloudy skies overnight. Low near 35F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity64%
  • 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
49°/41°
Rain drop 5%
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Day

49°
Mostly Cloudy Day
Rain drop
5%
SW 12 mph

A mix of clouds and sun early, then becoming cloudy later in the day. High 49F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:10 pm

Night

41°
Cloudy
Rain drop
24%
S 11 mph

Overcast. Low 41F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:02 am
  • Moonset
    Moonset2:21 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Partly Cloudy Day AM Clouds/PM Sun
59°/48°
Rain drop 24%
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Day

59°
Partly Cloudy Day
Rain drop
24%
SSW 16 mph

Cloudy skies early, then partly cloudy in the afternoon. High 59F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:11 pm

Night

48°
Rain
Rain drop
71%
SW 13 mph

Rain showers in the evening will evolve into a more steady rain overnight. Low 48F. Winds SW at 10 to 20 mph. Chance of rain 70%.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:12 pm
  • Moonset
    Moonset3:17 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day Partly Cloudy
50°/27°
Rain drop 24%
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Day

50°
Partly Cloudy Day
Rain drop
24%
NNW 15 mph

Partly to mostly cloudy. High near 50F. Winds NNW at 10 to 20 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:12 pm

Night

27°
Partly Cloudy Night
Mixed precipitation
2%
N 12 mph

Partly cloudy skies. Low 27F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:26 pm
  • Moonset
    Moonset4:01 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Mostly Clear Day Mostly Sunny
40°/32°
Rain drop 0%
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Day

40°
Mostly Clear Day
NW 11 mph

Except for a few afternoon clouds, mainly sunny. High around 40F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:42 am
  • Sunset
    Sunset7:13 pm

Night

32°
Partly Cloudy Night
Mixed precipitation
3%
W 8 mph

Partly cloudy skies. Low 32F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:40 pm
  • Moonset
    Moonset4:36 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Mostly Clear Day Mostly Sunny
45°/39°
Rain drop 1%
Add

Day

45°
Mostly Clear Day
Rain drop
1%
WSW 13 mph

Generally sunny despite a few afternoon clouds. High near 45F. Winds WSW at 10 to 20 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:40 am
  • Sunset
    Sunset7:14 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
3%
SW 10 mph

Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 39F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:51 pm
  • Moonset
    Moonset5:05 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Partly Cloudy Day Partly Cloudy
54°/39°
Rain drop 8%
Add

Day

54°
Partly Cloudy Day
Rain drop
8%
SW 13 mph

Partly cloudy. High 54F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:15 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
16%
W 11 mph

A few clouds from time to time. Low 39F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:59 pm
  • Moonset
    Moonset5:29 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Partly Cloudy Day Partly Cloudy
50°/39°
Rain drop 14%
Add

Day

50°
Partly Cloudy Day
Rain drop
14%
WSW 11 mph

Partly cloudy skies. High around 50F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:37 am
  • Sunset
    Sunset7:16 pm

Night

39°
Showers
Rain drop
56%
SE 9 mph

Cloudy with showers. Low 39F. Winds SE at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:06 pm
  • Moonset
    Moonset5:50 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Showers Showers
45°/41°
Rain drop 56%
Add

Day

45°
Showers
Rain drop
56%
E 12 mph

Considerable cloudiness with occasional rain showers. High around 45F. Winds E at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity77%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:35 am
  • Sunset
    Sunset7:17 pm

Night

41°
Showers
Rain drop
49%
E 10 mph

Considerable cloudiness with occasional rain showers. Low 41F. Winds E at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:11 pm
  • Moonset
    Moonset6:11 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Showers Showers
48°/41°
Rain drop 43%
Add

Day

48°
Showers
Rain drop
43%
E 11 mph

Showers early becoming less numerous later in the day. High 48F. Winds E at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity72%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:33 am
  • Sunset
    Sunset7:18 pm

Night

41°
Showers
Rain drop
38%
ESE 9 mph

Cloudy with occasional rain showers. Low 41F. Winds ESE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:15 pm
  • Moonset
    Moonset6:31 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Showers Showers
51°/38°
Rain drop 38%
Add

Day

51°
Showers
Rain drop
38%
ENE 11 mph

Overcast with showers at times. High 51F. Winds ENE at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity76%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:32 am
  • Sunset
    Sunset7:19 pm

Night

38°
Showers
Rain drop
48%
ENE 9 mph

Considerable cloudiness with occasional rain showers. Low 38F. Winds ENE at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:20 pm
  • Moonset
    Moonset6:54 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Scattered Showers Day AM Showers
46°/40°
Rain drop 48%
Add

Day

46°
Scattered Showers Day
Rain drop
48%
ENE 11 mph

Showers in the morning with some clearing in the afternoon. High 46F. Winds ENE at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity74%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:30 am
  • Sunset
    Sunset7:20 pm

Night

40°
Showers
Rain drop
59%
E 9 mph

Considerable cloudiness with occasional rain showers. Low near 40F. Winds E at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:25 pm
  • Moonset
    Moonset7:19 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Showers Showers
50°/42°
Rain drop 59%
Add

Day

50°
Showers
Rain drop
59%
E 11 mph

Cloudy with showers. High near 50F. Winds E at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity73%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:28 am
  • Sunset
    Sunset7:21 pm

Night

42°
Showers
Rain drop
46%
E 8 mph

Considerable cloudiness with occasional rain showers. Low 42F. Winds E at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:29 pm
  • Moonset
    Moonset7:49 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Showers Showers
51°/41°
Rain drop 43%
Add

Day

51°
Showers
Rain drop
43%
WNW 11 mph

Cloudy with showers. High 51F. Winds WNW at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity80%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:27 am
  • Sunset
    Sunset7:22 pm

Night

41°
Scattered Showers Night
Rain drop
40%
NNW 9 mph

A shower or two around the area in the evening, then partly cloudy overnight. Low 41F. Winds NNW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset8:24 am
  • Moon Phase - Day 19 Waning Gibbous
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