• Today

    Mar 29

    42°Lo 31°

    Not as cold this afternoon

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

    Mar 30

    51°Lo 33°

    A morning shower in places

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

    Mar 31

    47°Lo 32°

    A brief afternoon shower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Apr 1

    48°Lo 33°

    Sunshine

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      11%
    more
  • Thu

    Apr 2

    54°Lo 45°

    Mostly sunny and breezy

    Ragweed Pollen Weather
    • Precip
      13%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      20%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8pm
9pm 10pm 11pm Mon
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 34° 33° 33° 32° 32° 33° 33° 32°
RealFeel® 32° 30° 29° 28° 27° 26° 26° 24°
Humidity 47% 51% 53% 56% 58% 59% 60% 63%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 5 SSW 6 SSW 6 SSW 7 S 7 SSW 8 SSW 8 SSW 9 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 16° 17° 17° 18° 19° 20° 20° 21°
Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Mar 29

more Historical Weather Data >
  Today Normal Record 3/29/2014
High 42° 51° 81° (1998) 55°
Low 31° 35° 29° (2011) 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:33 of sunlight, then sets at 7:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:05 PM with 13:59 of moolight, then sets at 4:04 AM

Holtsville Weather Report

NYC: Spring Warmth Remains on Hold This Weekend

March 29, 2015; 5:57 AM ET

While Saturday's cold will ease some for Sunday in New York City, spring warmth will remain on hold. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps