• Today

    May 22

    64°Lo 55°

    Variable cloudiness

    Poor for stargazing
    • Cloud
      Cover
      89%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Sat

    May 23

    64°Lo 54°

    Cool with some sun returning

    Poor for stargazing
    • Cloud
      Cover
      70%
    • Precip
      4%
    • Hours of Precip
      0
  • Sun

    May 24

    68°Lo 55°

    Low clouds, then sun and cool

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Mon

    May 25

    68°Lo 56°

    Low clouds, then sun

    Poor for stargazing
    • Cloud
      Cover
      73%
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Tue

    May 26

    67°Lo 54°

    Clouds, then sun

    Poor for stargazing
    • Cloud
      Cover
      66%
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Partly cloudy 57° Lo 54° RealFeel® 52° / 50°

N

E

S

W

  • Precipitation: 2%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 82%
  • Cloud Cover: 45%
  • Dew Point: 50° F
  • Visibility: 10 mi
9 mph

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 64° N/A N/A 69°
Low 54° N/A N/A 51°

Solunar Information for Castro Valley, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:25 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:10 AM with 13:43 of moolight, then sets at 12:53 AM

Mon, May 25
First
Tue, Jun 2
Full
Tue, Jun 9
Last
Tue, Jun 16
New

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.

Sat. Stargazing