• Today

    Feb 1

    34°Lo 26°

    Clouding up; not as cold

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

    Feb 2

    37°Lo 12°

    Afternoon snow

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

    Feb 3

    23°Lo 18°

    Mostly sunny and very cold

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

    Feb 4

    36°Lo 25°

    Mostly cloudy and not as cold

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      77%
    more
  • Thu

    Feb 5

    28°Lo 5°

    Mostly cloudy; breezy, colder

    Ragweed Pollen Weather
    • Precip
      24%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      94%
    more
Next Previous
Hi 34° RealFeel® 29° Precipitation 22%

Day

N

E

S

W

  • W 8 mph
  • Gusts: 14 mph

Not as cold with increasing cloudiness

  • Max UV Index: 2 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 26° RealFeel® 15° Precipitation 81%

Night

N

E

S

W

  • E 8 mph
  • Gusts: 21 mph

Snow mixing with sleet, accumulating 1-3 inches

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.41 in
  • Rain: 0 in
  • Snow: 2.2 in
  • Ice: 0.04 in
  • Hours of Precipitation: 6.5 hrs
  • Hours of Rain: 0 hrs

Holtsville Pollen Levels - February 1

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Feb 1

more Historical Weather Data >
  Today Normal Record 2/1/2014
High 34° 38° 63° (2012) 43°
Low 26° 24° (2004) 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:03 AM with 10:06 of sunlight, then sets at 5:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:25 PM with 14:25 of moolight, then sets at 5:50 AM

Holtsville Weather Report

NYC: Winter Storm to Hit Sunday Night, Groundhog Day

February 1, 2015; 12:01 AM ET

Cold air sweeping in this weekend will help pave the way for a storm with snow, ice and some rain Sunday night into Monday around New York City. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps