• Today

    Jan 29

    33°Lo 30°

    Sun giving way to clouds

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

    Jan 30

    36°Lo 14°

    Mostly cloudy, a little snow

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

    Jan 31

    24°Lo 16°

    Sunny, windy and colder

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

    Feb 1

    32°Lo 14°

    Clouds and sun; not as cold

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      50%
    more
  • Mon

    Feb 2

    22°Lo 7°

    Cloudy, snow possible; colder

    Ragweed Pollen Weather
    • Precip
      35%
    • Wind
      Speed
      20 mph
    • Cloud
      Cover
      99%
    more
Next Previous
Hi 36° RealFeel® 26° Precipitation 56%

Day

N

E

S

W

  • NW 15 mph
  • Gusts: 28 mph

Mostly cloudy and breezy with occasional snow and flurries, accumulating a coating to an inch

  • Max UV Index: 1 (Low)
  • Thunderstorms: 1%
  • Precipitation: 0.07 in
  • Rain: 0 in
  • Snow: 0.8 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 0 hrs
Lo 14° RealFeel® -9° Precipitation 25%

Night

N

E

S

W

  • NW 21 mph
  • Gusts: 30 mph

Clear, windy and colder

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Holtsville Pollen Levels - January 30

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jan 30

more Historical Weather Data >
  Today Normal Record 1/30/2014
High 36° 38° 62° (2006) 26°
Low 14° 23° (2014)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 10:02 of sunlight, then sets at 5:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:40 PM with 14:42 of moolight, then sets at 4:22 AM

Holtsville Weather Report

NYC: Cold, Wintry Weather to Persist Into Weekend in Wake of Storm

January 29, 2015; 5:40 AM ET

Colder-than-average temperatures will hold around New York City into the weekend in the wake of the snowstorm and Long Island blizzard. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps