• Today

    Sep 3

    82°Lo 51°

    Sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      85°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Fri

    Sep 4

    80°Lo 54°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      5 - High
    • Air Qual.
      Good
  • Sat

    Sep 5

    83°Lo 52°

    Plenty of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sun

    Sep 6

    89°Lo 51°

    Plenty of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Mon

    Sep 7

    92°Lo 56°

    Sunny and very warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      97°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Temp (°F) 54° 57° 62° 67° 71° 75° 77° 80°
RealFeel® 53° 57° 64° 69° 75° 79° 80° 83°
Humidity 91% 82% 70% 56% 47% 41% 34% 28%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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0%
 
0%
 
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0%
 
0%
 
0%
 
0%
Snow
 
0%
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 6 SW 6 SW 6 SW 7 SW 8 SW 9 WSW 12 WSW 13 WSW
UV Index 0 1 2 4 5 6 7 7
Cloud Cover 25% 43% 34% 23% 13% 6% 2% 0%
Dew Point 52° 52° 52° 50° 50° 50° 47° 44°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 80° N/A N/A 89°
Low 54° N/A N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:52 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:55 PM with 14:23 of moolight, then sets at 2:18 PM

Tracy Weather Report

San Francisco: Sunny Skies, Pleasant Conditions to Last Into Labor Day Weekend

September 3, 2015; 5:06 AM ET

Sunny skies and seasonable conditions will follow low clouds each day through Saturday in the Bay Area. 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.

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index