• Early AM

    May 3

    Lo 50°

    Partly to mostly cloudy

    Running Weather
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      18 mph
  • Today

    May 3

    66°Lo 50°

    Low clouds, then sunshine

    Excellent for running
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
    more
  • Mon

    May 4

    64°Lo 48°

    Areas of low clouds, then sun

    Excellent for running
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      20 mph
    more
  • Tue

    May 5

    66°Lo 48°

    Mostly sunny

    Excellent for running
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      20 mph
    more
  • Wed

    May 6

    68°Lo 48°

    Sunshine; breezy in the p.m.

    Excellent for running
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      23 mph
    more
Next Previous
Partly to mostly cloudy 50° RealFeel® 50°

N

E

S

W

  • Humidity: 88%
  • Cloud Cover: 45%
  • Dew Point: 48° F
  • Rain: 0 in
  • Snow: 0 in
  • Visibility: 10 mi
5 mph

Castro Valley Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 3, 2015; 1:29 AM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.