• Early AM

    Jul 30

    Lo 58°

    Clear

    Stargazing Weather
    • Cloud
      Cover
      19%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Today

    Jul 30

    82°Lo 62°

    Mostly sunny

    Fair for stargazing
    • Cloud
      Cover
      26%
    • Precip
      10%
    • Hours of Precip
      0
  • Fri

    Jul 31

    79°Lo 61°

    Partly sunny

    Poor for stargazing
    • Cloud
      Cover
      46%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sat

    Aug 1

    78°Lo 62°

    Partly sunny

    Very Good for stargazing
    • Cloud
      Cover
      19%
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sun

    Aug 2

    76°Lo 61°

    Low clouds, then sunshine

    Fair for stargazing
    • Cloud
      Cover
      25%
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Partly cloudy 63° Lo 62° RealFeel® 62° / 60°

N

E

S

W

  • Precipitation: 4%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 85%
  • Cloud Cover: 26%
  • Dew Point: 58° F
  • Visibility: 10 mi
6 mph

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2014
High 82° N/A N/A 80°
Low 62° N/A N/A 57°

Solunar Information for Castro Valley, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:11 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:51 PM with 10:34 of moolight, then sets at 5:25 AM

Fri, Jul 31
Full
Fri, Aug 7
Last
Fri, Aug 14
New
Sat, Aug 22
First

Castro Valley Weather Report

San Francisco: Comfortable Conditions to End July

July 30, 2015; 2:19 AM ET

A pattern of cooler and seasonable weather will enter the city of San Francisco through the end of July and into the early part of August. 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.

Thu. Stargazing