10-Day Weather Forecast for Holtsville, New York 11742 - The Weather Channel | weather.com
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10 Day Weather-

As of 10:31 pm EDT

Tonight

Rain Rain
--/39°
Rain drop 98%
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Night

39°
Rain
Rain drop
98%
NNE 12 mph

Periods of rain. Low 39F. NNE winds at less than 5 mph, increasing to 10 to 15 mph. Chance of rain 100%. Rainfall near a half an inch.

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  • Humidity
    Humidity98%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:28 am
  • Moonset
    Moonset11:57 pm
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Rain Rain
42°/30°
Rain drop 99%
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Day

42°
Rain
Rain drop
99%
N 14 mph

Rain likely. High 42F. Winds N at 10 to 20 mph. Chance of rain 100%. Locally heavy rainfall possible.

  • Humidity
    Humidity82%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:07 pm

Night

30°
Partly Cloudy Night
Mixed precipitation
14%
NNW 12 mph

Partly cloudy skies. Low near 30F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:09 am
  • Moonset
    Moonset--
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Sunny Sunny
44°/34°
Rain drop 2%
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Day

44°
Sunny
Rain drop
2%
NW 12 mph

Sunny skies. High 44F. NNW winds shifting to WSW at 10 to 15 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:08 pm

Night

34°
Partly Cloudy Night
Mixed precipitation
4%
SW 10 mph

Partly cloudy in the evening with more clouds for later at night. Low 34F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity67%
  • 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 4%
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Day

47°
Mostly Cloudy Day
Rain drop
4%
SW 12 mph

Considerable cloudiness. High 47F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:09 pm

Night

40°
Mostly Cloudy Night
Rain drop
24%
S 10 mph

Partly cloudy skies in the evening, then becoming cloudy overnight. Low near 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
56°/47°
Rain drop 24%
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Day

56°
Mostly Cloudy Day
Rain drop
24%
SSW 14 mph

Mostly cloudy. High 56F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:11 pm

Night

47°
Showers
Rain drop
68%
SW 14 mph

Rain showers in the evening becoming a steady light rain overnight. Low 47F. Winds SW at 10 to 20 mph. Chance of rain 70%.

  • Humidity
    Humidity82%
  • 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
51°/27°
Rain drop 61%
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Day

51°
Scattered Showers Day
Rain drop
61%
NNW 15 mph

Rain showers early with some sunshine later in the day. High 51F. Winds NNW at 10 to 20 mph. Chance of rain 60%.

  • Humidity
    Humidity58%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:12 pm

Night

27°
Partly Cloudy Night
Mixed precipitation
5%
N 12 mph

A few clouds. Low 27F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:27 pm
  • Moonset
    Moonset4:01 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Mostly Clear Day Mostly Sunny
41°/31°
Rain drop 2%
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Day

41°
Mostly Clear Day
Rain drop
2%
NW 9 mph

Generally sunny despite a few afternoon clouds. High 41F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:42 am
  • Sunset
    Sunset7:13 pm

Night

31°
Partly Cloudy Night
Mixed precipitation
6%
WSW 8 mph

Partly cloudy skies. Low 31F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity57%
  • 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
47°/38°
Rain drop 6%
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Day

47°
Mostly Clear Day
Rain drop
6%
WSW 12 mph

Plentiful sunshine. High 47F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:40 am
  • Sunset
    Sunset7:14 pm

Night

38°
Partly Cloudy Night
Mixed precipitation
6%
SW 10 mph

Partly cloudy. Low 38F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity64%
  • 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°/42°
Rain drop 6%
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Day

54°
Partly Cloudy Day
Rain drop
6%
SW 13 mph

Sunshine and clouds mixed. High 54F. Winds SW at 10 to 20 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:15 pm

Night

42°
Partly Cloudy Night
Rain drop
16%
SW 10 mph

Partly cloudy. Low 42F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity73%
  • 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
54°/42°
Rain drop 19%
Add

Day

54°
Partly Cloudy Day
Rain drop
19%
WSW 11 mph

Intervals of clouds and sunshine in the morning with more clouds for later in the day. High 54F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:37 am
  • Sunset
    Sunset7:16 pm

Night

42°
Partly Cloudy Night
Rain drop
21%
SSW 9 mph

Partly cloudy skies. Low 42F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:05 pm
  • Moonset
    Moonset5:50 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Showers Showers
52°/41°
Rain drop 42%
Add

Day

52°
Showers
Rain drop
42%
SSE 13 mph

Cloudy with occasional rain showers. High 52F. Winds SSE at 10 to 20 mph. Chance of rain 40%.

  • Humidity
    Humidity67%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:35 am
  • Sunset
    Sunset7:17 pm

Night

41°
Showers
Rain drop
48%
SSW 11 mph

Cloudy with occasional rain showers. Low 41F. Winds SSW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:11 pm
  • Moonset
    Moonset6:11 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Showers Showers
51°/37°
Rain drop 41%
Add

Day

51°
Showers
Rain drop
41%
NW 13 mph

Rain showers in the morning becoming more intermittent in the afternoon. High 51F. Winds NW at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity65%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:33 am
  • Sunset
    Sunset7:18 pm

Night

37°
Showers
Rain drop
42%
NNE 11 mph

Considerable cloudiness with occasional rain showers. Low 37F. Winds NNE at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:15 pm
  • Moonset
    Moonset6:31 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Scattered Showers Day AM Showers
50°/42°
Rain drop 42%
Add

Day

50°
Scattered Showers Day
Rain drop
42%
NW 10 mph

Showers in the morning, then partly cloudy in the afternoon. High near 50F. Winds NW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity59%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:32 am
  • Sunset
    Sunset7:19 pm

Night

42°
Partly Cloudy Night
Rain drop
20%
S 8 mph

A few clouds from time to time. Low 42F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:20 pm
  • Moonset
    Moonset6:54 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Mostly Cloudy Day Mostly Cloudy
53°/44°
Rain drop 20%
Add

Day

53°
Mostly Cloudy Day
Rain drop
20%
SSE 12 mph

Mostly cloudy skies. High 53F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:30 am
  • Sunset
    Sunset7:20 pm

Night

44°
Scattered Showers Night
Rain drop
31%
SSE 11 mph

Mostly cloudy skies with a few showers late. Low 44F. Winds SSE at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:24 pm
  • Moonset
    Moonset7:20 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Mostly Cloudy Day Mostly Cloudy
55°/42°
Rain drop 24%
Add

Day

55°
Mostly Cloudy Day
Rain drop
24%
S 12 mph

Mostly cloudy skies. High around 55F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:28 am
  • Sunset
    Sunset7:21 pm

Night

42°
Showers
Rain drop
41%
SSE 11 mph

Rain showers in the evening becoming more intermittent overnight. Low 42F. Winds SSE at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:28 pm
  • Moonset
    Moonset7:49 am
  • Moon Phase - Day 18 Waning Gibbous
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