• Early AM

    Sep 2

    Lo 69°

    Partly cloudy

    Stargazing Weather
    • Cloud
      Cover
      28%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Today

    Sep 2

    86°Lo 69°

    Partly sunny

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      62%
    • Hours of Precip
      2
    more
  • Wed

    Sep 3

    85°Lo 63°

    Clearing and less humid

    Excellent for stargazing
    • Cloud
      Cover
      1%
    • Precip
      5%
    • Hours of Precip
      0
  • Thu

    Sep 4

    83°Lo 64°

    Mostly sunny and nice

    Excellent for stargazing
    • Cloud
      Cover
      12%
    • Precip
      12%
    • Hours of Precip
      0
    more
  • Fri

    Sep 5

    83°Lo 68°

    More humid with plenty of sun

    Poor for stargazing
    • Cloud
      Cover
      64%
    • Precip
      67%
    • Hours of Precip
      4
    more
Next Previous
Hi 85° RealFeel® 86° Precipitation 7%

Day

N

E

S

W

  • NW 8 mph
  • Gusts: 13 mph

Remaining warm and less humid with clouds giving way to sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 60° Precipitation 5%

Night

N

E

S

W

  • N 5 mph
  • Gusts: 8 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2013
High 85° 78° 86° (1996) 81°
Low 63° 62° 50° (1991) 66°

Solunar Information for Holtsville, NY

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:21 AM with 13:01 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:01 PM with 10:08 of moolight, then sets at 1:09 AM

Tue, Sep 2
First
Tue, Sep 9
Full
Tue, Sep 16
Last
Wed, Sep 24
New
Top Story

Holtsville Weather Report

NYC: Warm Week for Back to School, Work

September 1, 2014; 8:10 PM ET

While temperatures and humidity levels will fluctuate from day to day this week, unseasonable warmth will continue into next weekend 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.

Wed. Stargazing