• Clear 63°
    Dust & Dander Current Weather
    • Relative Humidity
      64%
    • Yesterday
      Temp
      59°
    • RealFeel
      63°
  • Early AM

    May 20

    Lo 54°

    Clear

    Dust & Dander Weather
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    Day Details >
  • Today

    May 20

    Hi 84°

    Mostly sunny

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    Day Details >
  • Tomorrow

    May 21

    Hi 69°

    Sunny and cooler but pleasant

    Very High indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    Day Details >
Next

Noticeably cooler tomorrow

5/20 5/20 Now: 12:46am
AM 12-4
  • 12am Clear 60° 0%
  • 1am Clear 58° 0%
  • 2am Clear 57° 0%
  • 3am Clear 56° 0%
  • 4am Clear 55° 0%
AM 11-4
  • 11am Mostly Sunny 73° 0%
  • 12pm Mostly Sunny 78° 0%
  • 1pm Mostly Sunny 81° 0%
  • 2pm Mostly Sunny 83° 0%
  • 3pm Mostly Sunny 84° 0%
  • 4pm Mostly Sunny 82° 0%
PM 5-10
  • 5pm Mostly Sunny 80° 0%
  • 6pm Mostly Sunny 77° 0%
  • 7pm Mostly Sunny 73° 0%
  • 8pm Mostly Sunny 68° 0%
  • 9pm Mostly Clear 63° 0%
  • 10pm Mostly Clear 62° 0%
Hourly Forecast >

San Jose Pollen Levels - May 20

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

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

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Allergies Live Feed

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How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps