• Fri

    Apr 25

    64°Lo 52°

    Mostly cloudy, showers around

    Beneficial weather for migraines
    • Hi
      RealFeel
      65°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
  • Sat

    Apr 26

    62°Lo 49°

    Mostly cloudy with a shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      56°
    • UV
      5 - Moderate
    • Cloud
      Cover
      71%
    more
  • Sun

    Apr 27

    65°Lo 51°

    Rain

    Beneficial weather for migraines
    • Hi
      RealFeel
      64°
    • UV
      4 - Moderate
    • Cloud
      Cover
      83%
  • Mon

    Apr 28

    66°Lo 54°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      69°
    • UV
      8 - Very High
    • Cloud
      Cover
      23%
    more
  • Tue

    Apr 29

    72°Lo 53°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      77°
    • UV
      7 - High
    • Cloud
      Cover
      51%
    more
Next Previous
Rain 59° Lo 50° RealFeel® 60° / 47°

N

E

S

W

  • Precipitation: 66%
  • Rain: 0.24 in
  • Snow: 0 in
  • Humidity: 71%
  • Cloud Cover: 81%
  • Dew Point: 46° F
  • Visibility: 4 mi
7 mph

Temperature History - Apr 27

more Historical Weather Data >
  Today Normal Record 4/27/2013
High 65° N/A N/A 71°
Low 51° N/A N/A 48°

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 5:19 AM with 13:17 of moolight, then sets at 6:36 PM

Top Story

Castro Valley Weather Report

Chance of Rain in San Francisco on Tuesday

April 20, 2014; 7:00 PM ET

There hasn't been any measurable precipitation in San Francisco since April 4. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?