• Tonight

    Dec 25

    Lo 39°

    Clear and chilly

    Stargazing Weather
    • Cloud
      Cover
      0%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Fri

    Dec 26

    57°Lo 37°

    A full day of sunshine

    Very Good for stargazing
    • Cloud
      Cover
      11%
    • Precip
      1%
    • Hours of Precip
      0
  • Sat

    Dec 27

    56°Lo 39°

    Mostly sunny

    Fair for stargazing
    • Cloud
      Cover
      63%
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sun

    Dec 28

    56°Lo 39°

    Times of clouds and sun

    Very Good for stargazing
    • Cloud
      Cover
      0%
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Mon

    Dec 29

    53°Lo 38°

    Partly sunny

    Very Good for stargazing
    • Cloud
      Cover
      0%
    • Precip
      6%
    • Hours of Precip
      0
    more
Next Previous
Bright sunshine 57° Lo 51° RealFeel® 53° / 49°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 44%
  • Cloud Cover: 0%
  • Dew Point: 33° F
  • Visibility: 10 mi
7 mph

Temperature History - Dec 26

more Historical Weather Data >
  Today Normal Record 12/26/2013
High 57° N/A N/A 69°
Low 37° N/A N/A 46°

Solunar Information for Castro Valley, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 9:34 of sunlight, then sets at 4:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:42 AM with 11:57 of moolight, then sets at 10:39 PM

Sun, Dec 28
First
Mon, Jan 5
Full
Tue, Jan 13
Last
Tue, Jan 20
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.

Fri. Stargazing