• Today

    Jul 23

    76°Lo 59°

    Some clouds, then sunshine

    Excellent for an outdoor bbq
    • Precip
      2%
    • Hi
      RealFeel
      79°
    • Wind
      Gust
      16 mph
  • Thu

    Jul 24

    83°Lo 59°

    A full day of sunshine

    Excellent for an outdoor bbq
    • Precip
      1%
    • Hi
      RealFeel
      86°
    • Wind
      Gust
      13 mph
    more
  • Fri

    Jul 25

    88°Lo 61°

    A full day of sunshine

    Excellent for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      90°
    • Wind
      Gust
      12 mph
    more
  • Sat

    Jul 26

    83°Lo 60°

    Partly sunny

    Excellent for an outdoor bbq
    • Precip
      1%
    • Hi
      RealFeel
      87°
    • Wind
      Gust
      11 mph
    more
  • Sun

    Jul 27

    82°Lo 60°

    Partly sunny

    Excellent for an outdoor bbq
    • Precip
      1%
    • Hi
      RealFeel
      85°
    • Wind
      Gust
      12 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Sunny
Mostly Sunny
Mostly Clear
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Mostly Clear
Mostly Clear
Mostly Cloudy
Temp (°F) 69° 67° 64° 63° 62° 63° 62° 62°
RealFeel® 65° 62° 60° 59° 59° 60° 60° 59°
Humidity 67% 71% 77% 82% 84% 80% 82% 83%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
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  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 10 W 9 W 7 W 6 W 5 W 5 W 5 WSW 5 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 8% 11% 25% 25% 25% 25% 25% 76%
Dew Point 58° 57° 57° 57° 57° 57° 56° 56°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2013
High 76° N/A N/A 75°
Low 59° N/A N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 14:20 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:28 AM with 14:30 of moolight, then sets at 5:58 PM

Top Story

Castro Valley Weather Report

San Francisco: Sunny Skies, No Drought Relief in Sight

July 23, 2014; 10:54 AM ET

With partly sunny skies ahead, the San Francisco area will not be receiving needed drought relief for an extended stretch of time. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Wed. Outdoor Entertaining

Wed. Wind Maps

Wed. UV Index