• Sunny 76°
    Ragweed Pollen Current Weather
    • Relative Humidity
      55%
    • Yesterday
      Temp
      71°
    • RealFeel
      76°
  • Today

    Jul 31

    Hi 79°

    Sunshine and a few clouds

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

    Aug 1

    Hi 85°

    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

    Aug 2

    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 >
Next

Clouds and sun this weekend

7/31 8/1 Now: 5:03pm
PM 5-9
  • 5pm Sunny 76° 0%
  • 6pm Sunny 73° 0%
  • 7pm Sunny 69° 0%
  • 8pm Sunny 65° 0%
  • 9pm Mostly clear 62° 0%
AM 4-9
  • 4am Mostly cloudy 58° 0%
  • 5am Cloudy 58° 0%
  • 6am Cloudy 57° 0%
  • 7am Cloudy 59° 0%
  • 8am Cloudy 61° 0%
  • 9am Mostly cloudy 66° 0%
AM 10-3
  • 10am Mostly cloudy 71° 0%
  • 11am Mostly cloudy 77° 0%
  • 12pm Mostly cloudy 81° 0%
  • 1pm Mostly cloudy 83° 0%
  • 2pm Mostly sunny 85° 0%
  • 3pm Mostly sunny 83° 0%
Hourly Forecast >

San Luis Obispo Pollen Levels - July 31

  • 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 Luis Obispo Weather Report

VIDEO: California Wildfires Persist in Sierra Nevada Foothills, Yosemite National Park

July 31, 2014; 5:59 PM ET

A wildfire that has already destroyed more than 60 structures is threatening more in the Sierra Nevada foothills near Plymouth, California, according to state fire officials. 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