• Tonight

    May 21

    Lo 47°

    Increasing cloudiness

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Wed

    May 22

    68°Lo 43°

    Low clouds, then sun

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate

  • Thu

    May 23

    67°Lo 45°

    Low clouds, then sun

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Fri

    May 24

    67°Lo 46°

    Low clouds, then sun

    Extreme indoor dust & dander levels
    • Precip
      2%
    • Wind
      Speed
      11 mph
    • Cloud
      Cover
      53%
    more

  • Sat

    May 25

    65°Lo 44°

    Low clouds, then sunshine

    Extreme indoor dust & dander levels
    • Precip
      6%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      56%
    more
Next Previous
Hi 68° RealFeel® 68° Precipitation 3%

Day

N

E

S

W

  • NW 17 mph
  • Gusts: 26 mph

Low clouds giving way to sunshine and breezy

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 43° RealFeel® 40° Precipitation 3%

Night

N

E

S

W

  • NW 8 mph
  • Gusts: 22 mph

Chilly; mainly clear in the evening followed by late-night low clouds

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • 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 - May 22

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2012
High 68° 70° 91° (2000) 83°
Low 43° 50° 36° (1974) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:11 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:38 PM with 11:00 of moolight, then sets at 4:38 AM

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps