• Early AM

    May 22

    Lo 55°

    A shower possible

    Asthma Weather
    • Hi
      RealFeel
      76°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Today

    May 22

    73°Lo 53°

    Cool with variable clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      6 - High
    • Air Qual.
      Moderate
    more
  • Sat

    May 23

    75°Lo 52°

    Mostly sunny and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      8 - Very High
    • Air Qual.
      Moderate
  • Sun

    May 24

    81°Lo 54°

    Abundant sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      82°
    • UV
      9 - Very High
    • Cloud
      Cover
      5%
    more
  • Mon

    May 25

    79°Lo 54°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      9 - Very High
    • Cloud
      Cover
      20%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 69° 70° 71° 72° 75° 73° 71° 68°
RealFeel® 78° 78° 78° 77° 77° 73° 69° 65°
Humidity 55% 52% 49% 48% 47% 49% 52% 56%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
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Snow
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 6 WNW 7 WNW 8 WNW 10 WNW 13 WNW 14 WNW 14 W 13 W
UV Index 8 8 8 7 5 3 2 0
Cloud Cover 25% 25% 16% 12% 14% 18% 20% 22%
Dew Point 52° 51° 52° 52° 53° 53° 53° 52°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 75° N/A N/A 91°
Low 52° 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

California Targets Farmers for Water Cuts in San Joaquin Valley Amid Drought

May 22, 2015; 6:45 AM ET

California farmers with century-old water rights in the San Joaquin River Watershed will no longer be able to draw water from the river as a result of the state's historic drought. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sat. Air Quality

Sat. Asthma Risk

Sat. UV Index