• Tonight

    Sep 20

    Lo 68°

    Mostly cloudy, a shower late

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Sep 21

    79°Lo 64°

    Humid with clouds breaking

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    75°Lo 52°

    Mostly sunny and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 23

    71°Lo 58°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      11%
    more
  • Wed

    Sep 24

    71°Lo 57°

    Sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Showers
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 72° 73° 75° 77° 78° 79° 79° 78°
RealFeel® 74° 76° 81° 84° 84° 84° 83° 79°
Humidity 86% 82% 78% 73% 70% 67% 65% 65%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
34%
 
40%
 
51%
 
47%
 
35%
 
17%
 
17%
 
17%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 SSW 3 S 3 SSE 4 SSE 5 SSE 5 SSE 6 S 7 S
UV Index 1 2 3 4 4 4 3 2
Cloud Cover 76% 76% 76% 76% 76% 45% 45% 45%
Dew Point 68° 67° 68° 68° 68° 67° 67° 66°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 79° 74° 83° (2004) 75°
Low 64° 59° 42° (1962) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:13 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:12 AM with 13:17 of moolight, then sets at 5:29 PM

Top Story

Rockville Centre Weather Report

NYC: September Temperature Roller Coaster to Continue

September 20, 2014; 1:20 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around New York City. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps