• Tonight

    Dec 20

    Lo 29°

    Mostly cloudy

    Snow Days Weather
    • Snow
      5%
    • Ice
      0%
    • Snow
      0 in
  • Sun

    Dec 21

    41°Lo 33°

    Clouds giving way to some sun

    Very Unlikely for a snow day
    • Snow
      4%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Dec 22

    43°Lo 40°

    Increasing clouds

    Very Unlikely for a snow day
    • Snow
      1%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 23

    48°Lo 46°

    Mostly cloudy, mist; breezy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Dec 24

    56°Lo 47°

    Windy with rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Cloudy 34° Lo 31° RealFeel® 31° / 25°

N

E

S

W

  • Precipitation: 2%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 61%
  • Cloud Cover: 95%
  • Dew Point: 21° F
  • Visibility: 10 mi
7 mph

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 35° 43° 57° (1999) 51°
Low 29° 30° 12° (2004) 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:14 AM with 9:16 of sunlight, then sets at 4:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:27 AM with 10:13 of moolight, then sets at 3:40 PM

Rockville Centre Weather Report

NYC: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 20, 2014; 12:50 PM ET

Following benign weather this weekend, a major storm will affect New York City, much of the East and Midwest on Christmas Eve. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Sat. Snow Day Potential