• Friday

    May 13

    88°Lo 55°

    Sunshine and not as hot

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Saturday

    May 14

    82°Lo 46°

    Rain at times

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sunday

    May 15

    78°Lo 49°

    Occasional rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
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Tracy Weather Report

San Francisco: Rain showers may dampen the Bay Area into weekend

May 5, 2016; 4:35 AM ET

While it will not be an all-day washout into Saturday morning, any developing thunderstorm could produce locally heavy rainfall and raise the risk for flash flooding and mudslides. more >

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