• 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
  • 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%
    more
Next Previous
Hi 74° RealFeel® 77° Precipitation 5%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 16 mph

Increasing amounts of sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 53° RealFeel® 52° Precipitation 1%

Night

N

E

S

W

  • WNW 7 mph
  • Gusts: 16 mph

Partly cloudy

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

Tracy Pollen Levels - May 23

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 74° N/A N/A 91°
Low 53° N/A N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:25 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:07 AM with 13:44 of moolight, then sets at 12:51 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 >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps