• Today

    Aug 2

    82°Lo 52°

    Partly sunny, a stray t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
  • Mon

    Aug 3

    82°Lo 51°

    A t-storm around in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Tue

    Aug 4

    80°Lo 50°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Wed

    Aug 5

    80°Lo 48°

    Mostly sunny and delightful

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Thu

    Aug 6

    83°Lo 51°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 82° RealFeel® 94° Precipitation 40%

Day

N

E

S

W

  • SW 4 mph
  • Gusts: 9 mph

Partly sunny with widely separated thunderstorms

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 60%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 52° RealFeel® 55° Precipitation 40%

Night

N

E

S

W

  • N 1 mph
  • Gusts: 7 mph

A shower or thunderstorm in spots this evening; otherwise, mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Portola Pollen Levels - August 2

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Ragweed Pollen

    Low

  • Grass Pollen

    Low

  • Tree Pollen

    High

  • Mold Pollen

    Low

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 82° 84° N/A 86°
Low 52° 41° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 14:13 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:44 PM with 12:10 of moolight, then sets at 9:54 AM

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps