Weather Forecast and Conditions for Holtsville, New York 11742 - The Weather Channel | Weather.com
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51° Mostly Clear Night
Fair
Day 66° • Night 43°
Feels Like49°
Sunrise

7:12 am

Sunset

6:53 pm

Temperature
High / Low
--/43°
Wind
5 mph
Humidity
Humidity
63%
Dew point
Dew Point
39°
Pressure
Pressure
30.02 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 21
Moon Phase
Waning Gibbous

Hourly Weather-

Now

Partly Cloudy Night Partly Cloudy
50°
Rain drop 2%
SSW 5 mph
Subtract

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindSSW 5 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

1 am

Partly Cloudy Night Partly Cloudy
49°
Rain drop 2%
SSW 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindSSW 4 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover38%
  • Rain drop
    Rain Amount0 in

2 am

Partly Cloudy Night Partly Cloudy
49°
Rain drop 3%
S 3 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindS 3 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover37%
  • Rain drop
    Rain Amount0 in

3 am

Partly Cloudy Night Partly Cloudy
46°
Rain drop 3%
S 3 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like45°
  • WindS 3 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover31%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Partly Cloudy Night Partly Cloudy
--/43°
Rain drop 18%
Subtract

Night

43°
Partly Cloudy Night
Rain drop
18%
S 8 mph

Partly cloudy. Areas of dense fog. Low 43F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:41 am
  • Moonset
    Moonset10:28 am
  • Moon Phase - Day 21 Waning Gibbous

Wed 11

Cloudy Cloudy
56°/48°
Rain drop 24%
Add

Day

56°
Cloudy
Rain drop
24%
S 13 mph

Cloudy. A stray shower or thunderstorm is possible. High 56F. Winds S at 10 to 20 mph.

  • Humidity
    Humidity78%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset6:54 pm

Night

48°
Scattered Showers Night
Rain drop
53%
SSW 15 mph

Rain showers in the evening, then fog developing overnight. Low 48F. Winds SSW at 10 to 20 mph. Chance of rain 50%.

  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:39 am
  • Moonset
    Moonset11:14 am
  • Moon Phase - Day 22 Last Quarter

Thu 12

Showers Showers
53°/29°
Rain drop 56%
Add

Day

53°
Showers
Rain drop
56%
WNW 18 mph

Cloudy with showers. Morning high of 53F with temps falling to near 40. Winds WNW at 15 to 25 mph. Chance of rain 60%.

  • Humidity
    Humidity65%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset6:55 pm

Night

29°
Partly Cloudy Night
Mixed precipitation
6%
WNW 11 mph

Some clouds early will give way to generally clear conditions overnight. Low 29F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:32 am
  • Moonset
    Moonset12:08 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Mostly Cloudy Day Mostly Cloudy
43°/38°
Rain drop 8%
Add

Day

43°
Mostly Cloudy Day
Rain drop
8%
SW 19 mph

A mix of clouds and sun early, then becoming cloudy later in the day. High 43F. Winds SW at 15 to 25 mph. Higher wind gusts possible.

  • Humidity
    Humidity47%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset6:56 pm

Night

38°
Partly Cloudy Night
Mixed precipitation
19%
SW 17 mph

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

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:17 am
  • Moonset
    Moonset1:09 pm
  • Moon Phase - Day 24 Waning Crescent
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