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  • Tonight

    Apr 20

    Increasing cloudiness Lo 51°
  • Tue

    Apr 21

    Mostly cloudy and breezy 63°Lo 51°
    more
  • Wed

    Apr 22

    Low clouds break for some sun 68°Lo 49°
    more
  • Thu

    Apr 23

    Partly sunny 68°Lo 50°
    more
  • Fri

    Apr 24

    Partly sunny 66°Lo 47°
    more
Cloudy 64° Lo 53° RealFeel® 71° / 51°

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W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 78%
  • Cloud Cover: 90%
  • Dew Point: 51° F
  • Visibility: 9 mi
7 mph

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 65° N/A N/A 75°
Low 51° N/A N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:21 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:01 AM with 14:13 of moolight, then sets at 10:14 PM

Castro Valley Weather Report

San Francisco: Clouds, Showers to Linger Ahead of Weekend

April 20, 2015; 11:04 PM ET

While cloudy conditions can be expected over the San Francisco area for the next several days, showers will not make a return until the middle of the week. more >

ABC 7 San Francisco Headlines

Hit-and-run driver accused of killing KPFA radio host

Friends and family are remembering a local radio host and father of three children who was allegedly killed by a hit-and-run driver early Saturday morning.

Researcher denied flight after tweet poking United Airlines security vulnerabilities

6.6 magnitude earthquake strikes Taiwan region