• Sunny 74°
    Dust & Dander Current Weather
    • Relative Humidity
      34%
    • Yesterday
      Temp
      63°
    • RealFeel
      74°
  • Today

    Apr 20

    Hi 69°

    Mostly sunny and warmer

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Apr 21

    Hi 61°

    Low clouds break for some sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tuesday

    Apr 22

    Hi 59°

    A shower; becoming windier

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
Next

Expect rainy weather Thursday evening through Friday evening

4/20 4/21 Now: 5:06pm
PM 5-9
  • 5pm Sunny 64° 0%
  • 6pm Mostly sunny 62° 0%
  • 7pm Mostly sunny 60° 0%
  • 8pm Mostly clear 57° 0%
  • 9pm Mostly clear 55° 0%
AM 4-9
  • 4am Cloudy 50° 0%
  • 5am Cloudy 50° 0%
  • 6am Cloudy 50° 0%
  • 7am Cloudy 51° 0%
  • 8am Cloudy 53° 0%
  • 9am Cloudy 54° 0%
AM 10-3
  • 10am Cloudy 55° 0%
  • 11am Cloudy 57° 0%
  • 12pm Cloudy 59° 0%
  • 1pm Cloudy 60° 0%
  • 2pm Partly sunny 60° 2%
  • 3pm Partly sunny 61° 2%
Hourly Forecast >

San Francisco Pollen Levels - April 20

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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Top Story

San Francisco Weather Report

Chance of Rain in San Francisco on Tuesday

April 20, 2014; 7:00 PM ET

There hasn't been any measurable precipitation in San Francisco since April 4. more >

Allergies Live Feed

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Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps