• Mon

    Aug 18

    82°Lo 66°

    Afternoon thunderstorms

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

    Aug 19

    78°Lo 64°

    Less humid with sunshine

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Aug 20

    76°Lo 63°

    Sunshine

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

    Aug 21

    77°Lo 64°

    Abundant sunshine

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Aug 22

    79°Lo 65°

    Brilliant sunshine

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 82° RealFeel® 83° Precipitation 75%

Day

N

E

S

W

  • SSW 12 mph
  • Gusts: 24 mph

Overcast and humid; a couple of showers in the morning followed by thunderstorms in the afternoon

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 66%
  • Precipitation: 0.53 in
  • Rain: 0.53 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 6 hrs
  • Hours of Rain: 6 hrs
Lo 66° RealFeel® 63° Precipitation 70%

Night

N

E

S

W

  • W 7 mph
  • Gusts: 19 mph

Overcast with showers and thunderstorms, mainly early

  • Max UV Index: N/A
  • Thunderstorms: 58%
  • Precipitation: 0.73 in
  • Rain: 0.73 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs

Temperature History - Aug 18

more Historical Weather Data >
  Today Normal Record 8/18/2013
High 82° 82° 93° (1995) 78°
Low 66° 68° 58° (1963) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:41 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:13 AM with 14:36 of moolight, then sets at 2:49 PM

Top Story

Rockville Centre Weather Report

NYC: Cool, Refreshing Air Returns by Midweek

July 29, 2014; 2:27 AM ET

Following the thunderstorms of early in the week, New York City will see cooler and less humid air midweek. 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.