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  • Today

    Aug 28

    Some clouds, then sunshine 80°Lo 61°
  • Fri

    Aug 29

    Partly sunny 76°Lo 61°
    more
  • Sat

    Aug 30

    Low clouds break for some sun 78°Lo 59°
    more
  • Sun

    Aug 31

    Partly sunny 79°Lo 60°
    more
  • Mon

    Sep 1

    Sunshine 82°Lo 61°
    more
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Clear
Clear
Sunny
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Temp (°F) 61° 60° 60° 61° 62° 63° 65° 68°
RealFeel® 59° 59° 58° 59° 60° 63° 67° 73°
Humidity 86% 87% 88% 86% 86% 84% 78% 74%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 4 NW 4 NW 3 NW 3 NW 5 NW 5 SW 4 WNW 4 WNW
UV Index 0 0 0 0 1 2 3 5
Cloud Cover 11% 9% 8% 7% 85% 75% 78% 53%
Dew Point 57° 57° 56° 56° 58° 58° 58° 59°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 28

more Historical Weather Data >
  Today Normal Record 8/28/2013
High 80° N/A N/A 77°
Low 61° N/A N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:09 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:29 AM with 11:45 of moolight, then sets at 9:14 PM

Top Story

Castro Valley Weather Report

San Francisco: Bright, Sunny for Holiday Weekend

August 28, 2014; 12:30 PM ET

San Francisco will see abundant sunshine over the next several days and stretching into the holiday weekend. more >

ABC 7 San Francisco Headlines

I-Team investigates AT&T center after Napa quake

Usually no one can enter a red-tagged building, but in Napa the AT&T central office serves as such a critical piece of the communication system, crews are working to get it back up and running quickly.

USGS pinpoints new spot where 6.0 quake originated

7 On Your Side: Getting a good insurance settlement takes time