• Today

    May 23

    74°Lo 53°

    Increasing amounts of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    May 24

    80°Lo 53°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    May 25

    79°Lo 54°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    May 26

    80°Lo 54°

    Sun and clouds

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      63%
    more
  • Wed

    May 27

    84°Lo 55°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      39%
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Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 84° N/A N/A 86°
Low 55° N/A N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:31 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:47 PM with 12:10 of moolight, then sets at 2:57 AM

Tracy Weather Report

San Francisco: Cool, Cloudy Weather to Linger for Holiday Weekend

May 23, 2015; 5:17 AM ET

More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week. more >

Wed. Dust & Dander

Wed. Wind Maps