• Today

    Apr 26

    65°Lo 55°

    Sunshine

    Excellent for biking
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      20 mph
    more
  • Mon

    Apr 27

    81°Lo 55°

    Sunny and warmer

    Excellent for biking
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
  • Tue

    Apr 28

    70°Lo 54°

    Mostly sunny and nice

    Excellent for biking
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
    more
  • Wed

    Apr 29

    73°Lo 55°

    Mostly sunny

    Excellent for biking
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
  • Thu

    Apr 30

    82°Lo 57°

    Mostly sunny and nice

    Excellent for biking
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
Next Previous
Warmer 80° Lo 60° RealFeel® 84° / 57°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 57%
  • Cloud Cover: 0%
  • Dew Point: 51° F
  • Visibility: 10 mi
10 mph

Temperature History - Apr 27

more Historical Weather Data >
  Today Normal Record 4/27/2014
High 81° N/A N/A 61°
Low 55° N/A N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:37 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:15 PM with 13:12 of moolight, then sets at 3:27 AM

Castro Valley Weather Report

San Francisco: Dry Pattern to Continue After Weekend Showers

April 26, 2015; 4:41 AM ET

Warm and dry conditions will resume after showers dampened the San Francisco area during the first part of the weekend. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.