• Mostly cloudy 77°
    Ragweed Pollen Current Weather
    • Relative Humidity
      78%
    • Yesterday
      Temp
      74°
    • RealFeel
      79°
  • Tonight

    Jul 23

    Lo 71°

    Heavy t-storms; mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Tomorrow

    Jul 24

    Hi 78°

    Clouds breaking for some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    Day Details >
  • Friday

    Jul 25

    Hi 81°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
Next

Thunderstorms tonight

7/23 7/24 Now: 11:15pm
PM 11-3
  • 11pm Cloudy 75° 49%
  • 12am Thunderstorms 75° 51%
  • 1am Thunderstorms 75° 56%
  • 2am Mostly cloudy 75° 49%
  • 3am Mostly cloudy 74° 47%
AM 10-3
  • 10am Showers 74° 51%
  • 11am Cloudy 74° 40%
  • 12pm Cloudy 75° 34%
  • 1pm Cloudy 75° 29%
  • 2pm Partly sunny 75° 20%
  • 3pm Partly sunny 75° 20%
PM 4-9
  • 4pm Partly sunny 76° 20%
  • 5pm Partly sunny 78° 20%
  • 6pm Partly sunny 76° 20%
  • 7pm Partly sunny 75° 16%
  • 8pm Partly sunny 74° 7%
  • 9pm Partly cloudy 72° 7%
Hourly Forecast >

Holtsville Pollen Levels - July 23

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

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Top Story

Holtsville Weather Report

NYC: Another Cooldown to Follow Midweek Storms

July 23, 2014; 10:11 PM ET

Fresh cooler and less humid air will settle over the New York City area for Thursday and Friday. more >

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Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps