• Mostly sunny 90°
    Ragweed Pollen Current Weather
    • Relative Humidity
      31%
    • Yesterday
      Temp
      75°
    • RealFeel
      91°
  • Today

    Jul 24

    Hi 84°

    Sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    Day Details >
  • Tomorrow

    Jul 25

    Hi 86°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    Day Details >
  • Saturday

    Jul 26

    Hi 82°

    Areas of low clouds, then sun

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

Clouds and sun this weekend

7/24 7/25 Now: 5:25pm
PM 5-9
  • 5pm Sunny 78° 0%
  • 6pm Sunny 75° 0%
  • 7pm Sunny 73° 0%
  • 8pm Mostly sunny 70° 0%
  • 9pm Mostly clear 67° 0%
AM 4-9
  • 4am Mostly cloudy 60° 0%
  • 5am Mostly cloudy 58° 0%
  • 6am Mostly cloudy 60° 0%
  • 7am Mostly cloudy 61° 0%
  • 8am Mostly cloudy 65° 0%
  • 9am Mostly cloudy 68° 0%
AM 10-3
  • 10am Mostly cloudy 72° 0%
  • 11am Mostly cloudy 76° 0%
  • 12pm Mostly cloudy 79° 0%
  • 1pm Mostly cloudy 82° 0%
  • 2pm Mostly sunny 84° 0%
  • 3pm Mostly sunny 86° 0%
Hourly Forecast >

San Mateo Pollen Levels - July 24

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

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Top Story

San Mateo Weather Report

San Francisco: Sunny Skies, No Drought Relief in Sight

July 24, 2014; 2:25 AM ET

With partly sunny skies ahead, the San Francisco area will not be receiving needed drought relief for an extended stretch of time. more >

Allergies Live Feed

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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.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps