• Tonight

    Sep 20

    Lo 58°

    Becoming cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Sun

    Sep 21

    77°Lo 56°

    Areas of low clouds, then sun

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

    Sep 22

    78°Lo 56°

    Areas of low clouds, then sun

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

    Sep 23

    79°Lo 55°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      57%
    more
  • Wed

    Sep 24

    79°Lo 55°

    Clouds, then sun

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      57%
    more
Next Previous
Hi 77° RealFeel® 80° Precipitation 4%

Day

N

E

S

W

  • WNW 5 mph
  • Gusts: 18 mph

Clouds giving way to some sun

  • Max UV Index: 6 (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 58° RealFeel® 57° Precipitation 3%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 15 mph

Becoming cloudy

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • 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 - September 20

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 77° 76° 99° (1958) 74°
Low 58° 54° 44° (1999) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 12:14 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:39 AM with 13:25 of moolight, then sets at 5:04 PM

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps