• Tonight

    Aug 20

    Lo 67°

    Mostly cloudy, a shower late

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Thu

    Aug 21

    77°Lo 67°

    A couple of showers

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

    Aug 22

    77°Lo 65°

    Mostly cloudy with a shower

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

    Aug 23

    76°Lo 65°

    Times of clouds and sun

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

    Aug 24

    77°Lo 64°

    Times of clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
5pm
6pm 7pm 8pm 9pm 10pm 11pm Thu
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 78° 77° 76° 74° 72° 72° 71° 70°
RealFeel® 76° 74° 71° 69° 68° 68° 68° 67°
Humidity 53% 55% 58% 59% 62% 64% 66% 68%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
4%
 
4%
 
4%
 
4%
 
4%
 
4%
 
6%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 7 SSE 7 SSE 8 SSE 6 SSE 6 SSE 5 SSE 5 SE 4 SE
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 32% 26% 34% 41% 49% 51% 60% 70%
Dew Point 60° 59° 60° 59° 59° 59° 60° 60°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 81° 82° 100° (1983) 85°
Low 67° 68° 55° (1949) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:36 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:47 AM with 14:41 of moolight, then sets at 4:28 PM

Top Story

Rockville Centre Weather Report

NYC: Downpour Risk to Increase Thursday

August 20, 2014; 12:03 PM ET

A wedge of dry air will slowly erode at midweek and allow drenching showers to survive the trip in to New York City from the Midwest. 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

Wed. Snow Day Potential