• Today

    May 25

    63°Lo 54°

    Low clouds, then some sun

    Fair for stargazing
    • Cloud
      Cover
      60%
    • Precip
      4%
    • Hours of Precip
      0
  • Tue

    May 26

    66°Lo 53°

    Low clouds breaking

    Fair for stargazing
    • Cloud
      Cover
      60%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Wed

    May 27

    67°Lo 54°

    Low clouds, then sun

    Good for stargazing
    • Cloud
      Cover
      55%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Thu

    May 28

    69°Lo 56°

    Mostly sunny and pleasant

    Very Good for stargazing
    • Cloud
      Cover
      22%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Fri

    May 29

    70°Lo 55°

    Mostly sunny and pleasant

    Very Good for stargazing
    • Cloud
      Cover
      16%
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Low clouds 54° Lo 54° RealFeel® 51° / 50°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 89%
  • Cloud Cover: 95%
  • Dew Point: 51° F
  • Visibility: 8 mi
7 mph

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2014
High 63° N/A N/A 77°
Low 54° N/A N/A 51°

Solunar Information for Castro Valley, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:27 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:00 PM with 12:58 of moolight, then sets at 1:58 AM

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

Castro Valley Weather Report

San Francisco: Seasonable, Dry Weather to Remain Through Late Week

May 25, 2015; 6:00 PM ET

Dry and seasonable weather is forecast for San Francisco this week. 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.

Mon. Stargazing