• Early AM

    Apr 21

    Lo 50°

    Partly to mostly cloudy

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

    Apr 21

    74°Lo 49°

    Partly sunny

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

    Apr 22

    65°Lo 45°

    Mostly cloudy with a shower

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

    Apr 23

    69°Lo 47°

    Mostly sunny

    Low indoor dust & dander levels
    • Precip
      2%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      19%
    more
  • Thu

    Apr 24

    73°Lo 51°

    Partly sunny

    Low indoor dust & dander levels
    • Precip
      10%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 74° RealFeel® 76° Precipitation 16%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 15 mph

Partly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 9%
  • 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® 40° Precipitation 60%

Night

N

E

S

W

  • WSW 12 mph
  • Gusts: 21 mph

Mostly cloudy and breezy; a couple of showers late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Tracy Pollen Levels - April 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 74° 72° N/A 89°
Low 49° 47° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:25 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:21 AM with 10:36 of moolight, then sets at 11:57 AM

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps