• Today

    Feb 9

    34°Lo 24°

    Mostly cloudy

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

    Feb 10

    38°Lo 25°

    A little snow in the morning

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    Feb 11

    29°Lo 15°

    Colder with a snow shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 12

    27°Lo 21°

    Cold with clouds and sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Feb 13

    24°Lo 2°

    Very cold with a snow shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Snow
Snow
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 31° 33° 35° 35° 36° 37° 38° 37°
RealFeel® 30° 34° 32° 31° 32° 33° 33° 30°
Humidity 80% 82% 78% 76% 73% 72% 69% 68%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
2%
 
2%
 
2%
 
5%
 
16%
 
16%
 
16%
 
16%
Snow
 
49%
 
49%
 
58%
 
58%
 
5%
 
2%
 
2%
 
2%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 E 5 SE 6 WSW 7 W 8 W 8 WSW 9 WSW 9 WSW
UV Index 0 1 1 1 1 1 1 0
Cloud Cover 95% 95% 95% 95% 90% 82% 76% 76%
Dew Point 25° 28° 28° 28° 28° 29° 29° 28°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Feb 10

more Historical Weather Data >
  Today Normal Record 2/10/2015
High 38° 39° 54° (2001) 35°
Low 25° 24° (1994) 23°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 10:28 of sunlight, then sets at 5:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:01 AM with 12:01 of moolight, then sets at 8:02 PM

Holtsville Weather Report

NYC: Dangerous cold to follow rounds of snow this week

February 9, 2016; 3:30 PM ET

Rounds of snow and slippery travel this week around New York City will be followed by the coldest air of the winter during the Valentine's Day weekend. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps