• Early AM

    May 19

    Lo 71°

    A passing thunderstorm

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

  • Today

    May 19

    89°Lo 66°

    A severe afternoon t-storm

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

  • Mon

    May 20

    82°Lo 64°

    A severe afternoon t-storm

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

  • Tue

    May 21

    80°Lo 57°

    Variable cloudiness

    Extreme indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      70%
    more

  • Wed

    May 22

    78°Lo 55°

    Partial sunshine

    Extreme indoor dust & dander levels
    • Precip
      19%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      43%
    more
Next Previous
Hi 82° RealFeel® 84° Precipitation 60%

Day

N

E

S

W

  • S 10 mph
  • Gusts: 15 mph

A severe afternoon t-storm; storms can bring downpours, large hail, damaging winds, and a tornado

  • Max UV Index: 7 (High)
  • Thunderstorms: 100%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 64° RealFeel® 61° Precipitation 57%

Night

N

E

S

W

  • SE 8 mph
  • Gusts: 14 mph

Watch for a strong thunderstorm in the evening; otherwise, mostly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Pleasanton Pollen Levels - May 20

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 82° N/A N/A 75°
Low 64° N/A N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 14:23 of sunlight, then sets at 8:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:40 PM with 11:48 of moolight, then sets at 3:28 AM

How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps