• Early AM

    Jul 25

    Lo 59°

    Partly cloudy

    Stargazing Weather
    • Cloud
      Cover
      21%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Today

    Jul 25

    90°Lo 61°

    Sunshine

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      1%
    • Hours of Precip
      0
  • Sat

    Jul 26

    85°Lo 62°

    Partly sunny

    Fair for stargazing
    • Cloud
      Cover
      63%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sun

    Jul 27

    81°Lo 59°

    Partly sunny

    Excellent for stargazing
    • Cloud
      Cover
      24%
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Mon

    Jul 28

    85°Lo 60°

    Partly sunny

    Excellent for stargazing
    • Cloud
      Cover
      20%
    • Precip
      0%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6pm
7pm 8pm 9pm 10pm 11pm Sat
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Sunny
Sunny
Sunny
Clear
Clear
Clear
Clear
Clear
Temp (°F) 82° 79° 76° 72° 70° 68° 68° 67°
RealFeel® 79° 75° 72° 68° 66° 64° 64° 63°
Humidity 38% 43% 47% 52% 57% 62% 60% 63%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 9 WNW 7 WNW 6 WNW 5 W 4 W 4 W 3 W 3 WNW
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 5% 2% 0% 0% 0% 0% 0% 0%
Dew Point 54° 55° 55° 54° 54° 54° 54° 54°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2013
High 90° N/A N/A 77°
Low 61° N/A N/A 58°

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 5:10 AM with 14:15 of moolight, then sets at 7:25 PM

Sat, Jul 26
New
Mon, Aug 4
First
Sun, Aug 10
Full
Sun, Aug 17
Last
Top Story

Castro Valley Weather Report

San Francisco: Sunny Skies, No Drought Relief in Sight

July 25, 2014; 1:25 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 >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Fri. Stargazing