• Tonight

    Aug 21

    Lo 56°

    Becoming cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 22

    77°Lo 58°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    74°Lo 55°

    Low clouds followed by sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 24

    74°Lo 56°

    Low clouds, then sun

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      57%
    more
  • Mon

    Aug 25

    76°Lo 58°

    Low clouds, then sunshine

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      57%
    more
Next Previous
Hi 82° RealFeel® 88° Precipitation 2%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 17 mph

Sunshine and a few clouds

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 56° Precipitation 0%

Night

N

E

S

W

  • WNW 3 mph
  • Gusts: 7 mph

Mainly clear this evening; late-night low clouds

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

San Luis Obispo Pollen Levels - August 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 82° 77° 91° (1963) 79°
Low 56° 55° 46° (2002) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:17 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:05 AM with 14:08 of moolight, then sets at 5:13 PM

Top Story

San Luis Obispo Weather Report

Firefighters Race to Contain Blaze Near Yosemite

August 21, 2014; 12:45 PM ET

All evacuation orders were lifted as containment increased early Wednesday. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps