• Tonight

    Apr 21

    Lo 49°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Wed

    Apr 22

    77°Lo 52°

    Periods of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Thu

    Apr 23

    75°Lo 50°

    Clouds and sun with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Fri

    Apr 24

    69°Lo 47°

    Periods of sun; breezy, nice

    Low ragweed pollen levels
    • Precip
      9%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      66%
    more
  • Sat

    Apr 25

    73°Lo 51°

    Partly sunny and beautiful

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 73° RealFeel® 74° Precipitation 2%

Day

N

E

S

W

  • WNW 10 mph
  • Gusts: 21 mph

Clouds and sun

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 49° RealFeel® 49° Precipitation 4%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 14 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • 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 - April 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 73° N/A N/A 80°
Low 49° N/A N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:24 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:47 AM with 14:25 of moolight, then sets at 11:12 PM

Tracy Weather Report

San Francisco: Clouds, Showers to Linger Ahead of Weekend

April 21, 2015; 11:20 AM ET

While cloudy conditions can be expected over the San Francisco area for the next several days, showers will not make a return until the middle of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps