• Tonight

    Jul 24

    Lo 56°

    Increasing cloudiness

    Stargazing Weather
    • Cloud
      Cover
      58%
    • Precip
      4%
    • Hours of Precip
      0
  • Mon

    Jul 25

    80°Lo 55°

    Mostly sunny

    Very Good for stargazing
    • Cloud
      Cover
      53%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Tue

    Jul 26

    86°Lo 57°

    Low clouds, then sun

    Very Good for stargazing
    • Cloud
      Cover
      53%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Wed

    Jul 27

    87°Lo 58°

    Clouds breaking for sun; warm

    Excellent for stargazing
    • Cloud
      Cover
      11%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Thu

    Jul 28

    88°Lo 58°

    Mostly sunny and very warm

    Very Good for stargazing
    • Cloud
      Cover
      24%
    • Precip
      2%
    • Hours of Precip
      0
    more
Next Previous
Next 8 hours >
  Sun
8pm
9pm 10pm 11pm Mon
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Cloudy
Cloudy
Temp (°F) 66° 64° 62° 60° 59° 58° 58° 57°
RealFeel® 63° 60° 59° 58° 56° 56° 56° 56°
Humidity 69% 72% 81% 85% 87% 89% 90% 89%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 13 WNW 10 W 9 W 8 WSW 8 WSW 7 SW 7 SW 6 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 9% 25% 25% 25% 25% 25% 95% 95%
Dew Point 56° 55° 56° 56° 55° 55° 55° 54°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Jul 24

more Historical Weather Data >
  Today Normal Record 7/24/2015
High 84° 77° N/A 78°
Low 56° 56° N/A 59°

Solunar Information for Castro Valley, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 14:17 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:32 PM with 12:44 of moolight, then sets at 12:16 PM

Tue, Jul 26
Last
Tue, Aug 2
New
Wed, Aug 10
First
Thu, Aug 18
Full

'Frankenfish' Ready for Market

Dec 7, 2012; 7:08 AM ET A new lab-created meat is waiting for FDA approval that is at once very different and just the same as your favorite fish dinner.

Sun. Stargazing