• Wed

    May 18

    66°Lo 56°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      23%
    more
  • Thu

    May 19

    72°Lo 58°

    Sunshine

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      11%
    more
  • Fri

    May 20

    75°Lo 60°

    Thickening clouds

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      60%
    more
  • Sat

    May 21

    77°Lo 60°

    Mostly cloudy, a few showers

    Ragweed Pollen Weather
    • Precip
      64%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      76%
  • Sun

    May 22

    77°Lo 59°

    Considerable cloudiness

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      98%
    more
Next Previous
Hi 77° RealFeel® 83° Precipitation 64%

Day

N

E

S

W

  • WSW 5 mph
  • Gusts: 21 mph

Mainly cloudy with a couple of showers, mainly later

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 60° RealFeel® 54° Precipitation 64%

Night

N

E

S

W

  • E 13 mph
  • Gusts: 23 mph

Considerable cloudiness; a little rain in the evening followed by a couple of showers late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2015
High 77° 70° 90° (1996) 62°
Low 60° 54° 43° (2002) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:32 AM with 14:39 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:58 PM with 10:21 of moolight, then sets at 6:19 AM

Rockville Centre Weather Report

Rounds of rain to frequent northeastern US through first week of May

May 3, 2016; 5:25 AM ET

Dry days will be hard to come by in the northeastern United States for the first week of May as storm systems bring frequent rain to the region. more >