• Tonight

    Jan 30

    Lo 12°

    Patchy clouds; windy, colder

    Stargazing Weather
    • Cloud
      Cover
      40%
    • Precip
      5%
    • Hours of Precip
      3
  • Sat

    Jan 31

    23°Lo 17°

    Sunny, windy and colder

    Good for stargazing
    • Cloud
      Cover
      11%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sun

    Feb 1

    34°Lo 24°

    Partly sunny and not as cold

    Poor for stargazing
    • Cloud
      Cover
      98%
    • Precip
      79%
    • Hours of Precip
      5.5
    more
  • Mon

    Feb 2

    27°Lo 6°

    Windy and colder with snow

    Poor for stargazing
    • Cloud
      Cover
      53%
    • Precip
      11%
    • Hours of Precip
      6
    more
  • Tue

    Feb 3

    18°Lo 13°

    Mostly sunny and very cold

    Fair for stargazing
    • Cloud
      Cover
      20%
    • Precip
      6%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6pm
7pm 8pm 9pm 10pm 11pm Sat
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Mostly Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 31° 28° 25° 24° 22° 20° 19° 17°
RealFeel® 15° 10° -1° -3° -5°
Humidity 56% 56% 56% 55% 55% 55% 55% 55%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
4%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
8%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 17 NW 18 NW 18 NW 18 NW 18 NW 20 NW 21 NW 21 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 75% 63% 53% 49% 47% 46% 45% 45%
Dew Point 17° 14° 12° 10°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Jan 30

more Historical Weather Data >
  Today Normal Record 1/30/2014
High 36° 38° 62° (2006) 26°
Low 12° 23° (2014)

Solunar Information for Holtsville, NY

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 10:02 of sunlight, then sets at 5:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:40 PM with 14:42 of moolight, then sets at 4:22 AM

Tue, Feb 3
Full
Thu, Feb 12
Last
Wed, Feb 18
New
Wed, Feb 25
First

Holtsville Weather Report

NYC: New Snowstorm Looms by Groundhog Day

January 30, 2015; 4:40 PM ET

Cold air sweeping in this weekend will help pave the way for a snowstorm Sunday night into Monday around New York City. more >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Fri. Stargazing