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  • Tonight

    May 4

    Thickening clouds Lo 49°
  • Tue

    May 5

    Low clouds, then sunshine 65°Lo 48°
    more
  • Wed

    May 6

    Sunshine; breezy in the p.m. 66°Lo 48°
    more
  • Thu

    May 7

    Times of clouds and sun 69°Lo 48°
    more
  • Fri

    May 8

    Times of clouds and sun 69°Lo 50°
    more
< Previous 8 hours Next 8 hours >
  Mon
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Forecast
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Clear
Temp (°F) 61° 60° 57° 55° 53° 53° 52° 51°
RealFeel® 59° 56° 51° 48° 47° 47° 47° 46°
Humidity 61% 65% 70% 75% 79% 80% 82% 84%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
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0%
Snow
 
0%
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 15 W 14 W 15 W 14 W 13 W 10 WSW 9 WSW 9 WSW
UV Index 3 1 0 0 0 0 0 0
Cloud Cover 37% 37% 50% 45% 38% 34% 32% 29%
Dew Point 48° 48° 47° 47° 47° 47° 47° 46°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 63° N/A N/A 64°
Low 49° N/A N/A 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:51 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:46 PM with -14:-04 of moolight, then sets at 6:42 AM

Castro Valley Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 4, 2015; 1:42 PM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. more >

ABC 7 San Francisco Headlines

Livermore mom, baby killed in crash by alleged drunk driver identified

A Livermore community is mourning the death of a mom and her baby after they were killed by an alleged drunk driver on Saturday.

USGS reporting three earthquakes struck near Pleasant Hill

2 gunmen killed outside Muhammad cartoon contest