• Some clouds 59°
    Ragweed Pollen Current Weather
    • Relative Humidity
      87%
    • Yesterday
      Temp
      59°
    • RealFeel
      58°
  • Tonight

    Sep 1

    Lo 58°

    Becoming cloudy

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

    Sep 2

    Hi 65°

    Clouds, then sun

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

    Sep 3

    Hi 66°

    Low clouds, then sun

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

Drizzle Wednesday morning

9/1 9/2 Now: 10:01pm
PM 10-2
  • 10pm Intermittent clouds 59° 0%
  • 11pm Intermittent clouds 59° 0%
  • 12am Partly cloudy 59° 0%
  • 1am Partly cloudy 59° 0%
  • 2am Cloudy 59° 0%
AM 9-2
  • 9am Cloudy 61° 0%
  • 10am Cloudy 62° 0%
  • 11am Cloudy 63° 0%
  • 12pm Cloudy 65° 0%
  • 1pm Cloudy 64° 0%
  • 2pm Mostly sunny 64° 0%
PM 3-8
  • 3pm Mostly sunny 64° 0%
  • 4pm Mostly sunny 63° 0%
  • 5pm Mostly sunny 62° 0%
  • 6pm Mostly sunny 62° 0%
  • 7pm Mostly sunny 61° 0%
  • 8pm Mostly clear 60° 0%
Hourly Forecast >

Half Moon Bay Pollen Levels - September 1

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Sep 01, 2014; 1:30 PM ET
Five-day Weather Forecast for San Francisco, CA
San Francisco, CA Weather Forecast

Loading...

Top Story

Half Moon Bay Weather Report

San Francisco: Bright, Sunny for First Week of September

September 1, 2014; 9:25 AM ET

San Francisco will see abundant sunshine through at least Thursday. more >

Allergies Live Feed

    Loading...

    Loading...

    Loading...

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps