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  • Wed

    Aug 20

    Sunny 82°Lo 60°
  • Thu

    Aug 21

    Sunshine 82°Lo 60°
  • Fri

    Aug 22

    Sunshine 81°Lo 57°
  • Sat

    Aug 23

    Sunshine 81°Lo 57°
  • Sun

    Aug 24

    Sun and some clouds 81°Lo 60°

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Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 82° N/A N/A 73°
Low 60° N/A N/A 58°


Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:24 of sunlight, then sets at 7:53 PM


Astronomy >
Moonrise / Moonset Illustration

Rises at 3:06 AM with 14:18 of moolight, then sets at 5:24 PM

Top Story

Castro Valley Weather Report

VIDEO: California Wildfires Persist in Sierra Nevada Foothills, Yosemite National Park

July 31, 2014; 12:59 PM ET

A wildfire that has already destroyed more than 60 structures is threatening more in the Sierra Nevada foothills near Plymouth, California, according to state fire officials. more >

ABC 7 San Francisco Headlines

Bay Area braces for own water main emergency

A leaking pipe has been leaking fresh water into the bay for four years at a rate of 25 gallons per minute -- a big problem in the midst of California's drought.

Five-alarm fire destroys home in San Jose

49ers release videos to ease traffic at new stadium