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  • Tonight

    Sep 18

    Partly cloudy Lo 63°
    more
  • Fri

    Sep 19

    Mostly sunny and pleasant 77°Lo 61°
  • Sat

    Sep 20

    Plenty of sunshine 76°Lo 61°
    more
  • Sun

    Sep 21

    Plenty of sunshine 75°Lo 60°
    more
  • Mon

    Sep 22

    Mostly sunny 77°Lo 59°
    more
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 73° 70° 68° 66° 64° 63° 63° 62°
RealFeel® 70° 66° 64° 61° 61° 61° 60° 60°
Humidity 62% 67% 74% 81% 84% 85% 87% 88%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
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Snow
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 11 W 10 W 8 W 6 W 6 W 5 W 5 W 5 W
UV Index 2 0 0 0 0 0 0 0
Cloud Cover 11% 11% 11% 11% 25% 25% 25% 25%
Dew Point 59° 59° 60° 60° 59° 59° 59° 58°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 77° N/A N/A 82°
Low 61° N/A N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:17 of sunlight, then sets at 7:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:47 AM with 13:51 of moolight, then sets at 4:38 PM

Top Story

Castro Valley Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 18, 2014; 4:37 PM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

ABC 7 San Francisco Headlines

Los Gatos nudist camp fights for water access

The former owner of what's now an open space district says the state ought to give water from its creek to a neighboring nudist camp that's been accused of pilfering public water.

Facebook refuses about-face on drag queen names

49ers, NFL scrutinized after domestic violence arrests