• Today

    Jul 31

    88°Lo 68°

    Mostly sunny and less humid

    Very Good for stargazing
    • Cloud
      Cover
      4%
    • Precip
      12%
    • Hours of Precip
      0
    more
  • Sat

    Aug 1

    88°Lo 64°

    Sun mixing with clouds

    Good for stargazing
    • Cloud
      Cover
      26%
    • Precip
      12%
    • Hours of Precip
      0
  • Sun

    Aug 2

    86°Lo 72°

    Mostly sunny

    Fair for stargazing
    • Cloud
      Cover
      37%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Mon

    Aug 3

    87°Lo 74°

    Partly sunny and humid

    Very Good for stargazing
    • Cloud
      Cover
      16%
    • Precip
      40%
    • Hours of Precip
      0.5
    more
  • Tue

    Aug 4

    86°Lo 67°

    A thunderstorm in the area

    Excellent for stargazing
    • Cloud
      Cover
      36%
    • Precip
      18%
    • Hours of Precip
      1
    more
Next Previous
Hi 88° RealFeel® 90° Precipitation 13%

Day

N

E

S

W

  • SW 12 mph
  • Gusts: 18 mph

Sunshine mixing with some clouds

  • Max UV Index: 7 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 65° Precipitation 12%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 14 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 88° 82° 95° (2006) 84°
Low 64° 66° 59° (1992) 72°

Solunar Information for Holtsville, NY

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:20 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:51 PM with 11:32 of moolight, then sets at 8:23 AM

Fri, Jul 31
Full
Fri, Aug 7
Last
Fri, Aug 14
New
Sat, Aug 22
First

Holtsville Weather Report

NYC: Hot, Dry Weather to Last Through Weekend

July 31, 2015; 11:55 AM ET

High pressure will be responsible for dry conditions and sunny skies in the forecast for the next several days. 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.

Sat. Stargazing