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10-Day Weather Forecast for Stony Brook, New York 11790 - The Weather Channel | weather.com
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10 Day Weather-

As of 3:42 am EDT
alertLevel3

Small Craft Advisory

Today

Mostly Cloudy Day Mostly Cloudy
56°/48°
Rain drop 20%
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Day

56°
Mostly Cloudy Day
Rain drop
20%
SSE 13 mph

Partly cloudy this morning, then becoming cloudy during the afternoon. A stray shower or thunderstorm is possible. High 56F. Winds SSE at 10 to 20 mph.

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Final Freeze On Average

  • Humidity
    Humidity76%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset6:54 pm

Night

48°
Cloudy
Rain drop
24%
SSW 16 mph

Cloudy. Low 48F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:40 am
  • Moonset
    Moonset11:14 am
  • Moon Phase - Day 22 Last Quarter

Thu 12

Rain, Snow, Wintery Mix Rain/Snow
52°/28°
Rain drop 82%
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Day

52°
Rain, Snow, Wintery Mix
Rain drop
82%
WNW 17 mph

Rain showers in the morning with precipitation turning to a mixture of rain and snow in the afternoon. Morning high of 52F with temps falling to near 40. Winds WNW at 15 to 25 mph. Chance of rain 80%.

  • Humidity
    Humidity75%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset6:56 pm

Night

28°
Partly Cloudy Night
Mixed precipitation
24%
WNW 14 mph

Some clouds early will give way to generally clear conditions overnight. Low 28F. Winds WNW at 10 to 20 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:33 am
  • Moonset
    Moonset12:08 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Mostly Cloudy Day Mostly Cloudy
41°/38°
Rain drop 2%
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Day

41°
Mostly Cloudy Day
Rain drop
2%
SW 17 mph

Partly cloudy skies during the morning hours will become overcast in the afternoon. High 41F. Winds SW at 15 to 25 mph. Higher wind gusts possible.

  • Humidity
    Humidity49%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset6:57 pm

Night

38°
Partly Cloudy Night
Mixed precipitation
19%
SSW 16 mph

Considerable clouds early. Some decrease in clouds late. Low 38F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:17 am
  • Moonset
    Moonset1:09 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Windy Mostly Sunny/Wind
47°/29°
Rain drop 0%
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Day

47°
Windy
W 20 mph

Wind increasing. A few clouds from time to time. High 47F. Winds W at 20 to 30 mph. Higher wind gusts possible.

  • Humidity
    Humidity38%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset6:58 pm

Night

29°
Mostly Clear Night
Mixed precipitation
3%
NNW 12 mph

Mainly clear skies. Low 29F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:55 am
  • Moonset
    Moonset2:14 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Cloudy Cloudy
42°/40°
Rain drop 15%
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Day

42°
Cloudy
Rain drop
15%
E 13 mph

Overcast. High 42F. Winds E at 10 to 20 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset6:59 pm

Night

40°
Rain
Rain drop
83%
SE 17 mph

Showers early, becoming a steady rain late. Low around 40F. Winds SE at 10 to 20 mph. Chance of rain 80%. Rainfall around a quarter of an inch.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:27 am
  • Moonset
    Moonset3:23 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Rain Rain
53°/29°
Rain drop 82%
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Day

53°
Rain
Rain drop
82%
S 20 mph

Rain. High 53F. Winds S at 15 to 25 mph. Chance of rain 80%. Rainfall around a half an inch.

  • Humidity
    Humidity86%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:02 am
  • Sunset
    Sunset7:00 pm

Night

29°
Scattered Showers Night
Rain drop
66%
WNW 15 mph

Rain showers early with mostly cloudy conditions late. Low 29F. Winds WNW at 10 to 20 mph. Chance of rain 70%.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:54 am
  • Moonset
    Moonset4:32 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Partly Cloudy Day Partly Cloudy
36°/22°
Rain drop 13%
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Day

36°
Partly Cloudy Day
Mixed precipitation
13%
WNW 15 mph

Partly cloudy skies. Cold. High 36F. Winds WNW at 10 to 20 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:00 am
  • Sunset
    Sunset7:01 pm

Night

22°
Partly Cloudy Night
Snowflake
1%
NW 13 mph

Some clouds early will give way to generally clear conditions overnight. Low 22F. Winds NW at 10 to 15 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:18 am
  • Moonset
    Moonset5:42 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Partly Cloudy Day Partly Cloudy
34°/24°
Rain drop 1%
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Day

34°
Partly Cloudy Day
Mixed precipitation
1%
WNW 8 mph

Partly cloudy skies. High 34F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:02 pm

Night

24°
Partly Cloudy Night
Snowflake
19%
ESE 6 mph

Partly cloudy. Low 24F. Winds ESE at 5 to 10 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:41 am
  • Moonset
    Moonset6:53 pm
  • Moon Phase - Day 29 New Moon

Thu 19

Partly Cloudy Day Partly Cloudy
40°/31°
Rain drop 19%
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Day

40°
Partly Cloudy Day
Mixed precipitation
19%
E 11 mph

Intervals of clouds and sunshine. High around 40F. Winds E at 10 to 15 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:57 am
  • Sunset
    Sunset7:03 pm

Night

31°
Rain, Snow, Wintery Mix
Mixed precipitation
30%
E 9 mph

Partly cloudy skies early will give way to cloudy skies with light rain and snow developing overnight. Low 31F. Winds E at 5 to 10 mph. Chance of precip 30%.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:04 am
  • Moonset
    Moonset8:06 pm
  • Moon Phase - Day 0 New Moon

Fri 20

Rain, Snow, Wintery Mix Rain/Snow Showers
44°/34°
Rain drop 37%
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Day

44°
Rain, Snow, Wintery Mix
Rain drop
37%
SSE 11 mph

Cloudy with rain and snow showers early changing to mainly rain showers in the afternoon. High 44F. Winds SSE at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity61%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:04 pm

Night

34°
Partly Cloudy Night
Mixed precipitation
24%
WSW 8 mph

Partly cloudy early with increasing clouds overnight. Low 34F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:28 am
  • Moonset
    Moonset9:21 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
47°/35°
Rain drop 20%
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Day

47°
Partly Cloudy Day
Rain drop
20%
W 12 mph

Mostly cloudy skies early will become partly cloudy later in the day. High 47F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:54 am
  • Sunset
    Sunset7:05 pm

Night

35°
Scattered Showers Night
Rain drop
34%
NW 10 mph

Partly cloudy skies early giving way to a few showers after midnight. Low near 35F. Winds NW at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:55 am
  • Moonset
    Moonset10:39 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
46°/32°
Rain drop 24%
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Day

46°
Partly Cloudy Day
Rain drop
24%
NNW 11 mph

Partly to mostly cloudy. High 46F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:06 pm

Night

32°
Mostly Cloudy Night
Mixed precipitation
23%
NNE 9 mph

Mainly cloudy. Low 32F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:28 am
  • Moonset
    Moonset11:58 pm
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Mostly Cloudy Day Mostly Cloudy
44°/33°
Rain drop 19%
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Day

44°
Mostly Cloudy Day
Rain drop
19%
NE 11 mph

Mostly cloudy. High 44F. Winds NE at 10 to 15 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:08 pm

Night

33°
Showers
Rain drop
46%
NNE 9 mph

Cloudy with showers. Low 33F. Winds NNE at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:09 am
  • Moonset
    Moonset--
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Mostly Cloudy Day Mostly Cloudy
46°/33°
Rain drop 24%
Add

Day

46°
Mostly Cloudy Day
Rain drop
24%
WNW 10 mph

Mainly cloudy. High 46F. NNW winds shifting to SW at 10 to 15 mph.

  • Humidity
    Humidity70%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:09 pm

Night

33°
Showers
Rain drop
34%
N 9 mph

Cloudy with a few showers. Low 33F. Winds N at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:00 am
  • Moonset
    Moonset1:13 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Scattered Showers Day AM Showers
47°/36°
Rain drop 34%
Add

Day

47°
Scattered Showers Day
Rain drop
34%
N 11 mph

Chance of a shower or two during the morning, followed by partly cloudy skies in the afternoon. High 47F. Winds N at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity64%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:10 pm

Night

36°
Showers
Rain drop
42%
ENE 9 mph

Rain showers in the evening becoming more intermittent overnight. Low 36F. Winds ENE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:02 am
  • Moonset
    Moonset2:21 am
  • Moon Phase - Day 7 First Quarter
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