• Tonight

    Jul 29

    Lo 56°

    A thunderstorm in spots early

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Wed

    Jul 30

    87°Lo 57°

    An afternoon thunderstorm

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

    Jul 31

    86°Lo 54°

    Partly sunny

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

    Aug 1

    89°Lo 54°

    Mostly sunny

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      12%
    more
  • Sat

    Aug 2

    90°Lo 55°

    A thunderstorm in spots

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 87° RealFeel® 95° Precipitation 51%

Day

N

E

S

W

  • SW 3 mph
  • Gusts: 7 mph

Partly sunny with a thunderstorm in the afternoon

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 60%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 57° RealFeel® 58° Precipitation 41%

Night

N

E

S

W

  • ENE 2 mph
  • Gusts: 6 mph

A shower or thunderstorm in the area in the evening; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Portola Pollen Levels - July 30

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2013
High 87° 83° 90° (1977) 77°
Low 57° 48° 46° (1985) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 14:18 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:36 AM with 12:26 of moolight, then sets at 10:02 PM

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Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps