• Tonight

    Jul 23

    Lo 47°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Thu

    Jul 24

    83°Lo 50°

    A full day of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Jul 25

    88°Lo 53°

    A full day of sunshine

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

    Jul 26

    91°Lo 57°

    Sunny and very warm

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      5%
    more
  • Sun

    Jul 27

    90°Lo 55°

    Partly sunny and very warm

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      45%
    more
Next Previous
Hi 79° RealFeel® 80° Precipitation 2%

Day

N

E

S

W

  • S 11 mph
  • Gusts: 26 mph

Mostly sunny

  • Max UV Index: 9 (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 47° RealFeel® 49° Precipitation 2%

Night

N

E

S

W

  • ESE 3 mph
  • Gusts: 16 mph

Clear

  • 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

Portola Pollen Levels - July 23

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2013
High 79° 83° 88° (2006) 77°
Low 47° 48° 48° (1987) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:31 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:16 AM with 14:40 of moolight, then sets at 5:56 PM

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps