• Tonight

    Feb 11

    Lo 48°

    Partly cloudy

    Skiing Weather
    • Rain
      0 in
    • Precip
      6%
    • Hours of Precip
      0
  • Fri

    Feb 12

    66°Lo 48°

    Intervals of clouds and sun

    Poor for skiing
    • Rain
      0 in
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Sat

    Feb 13

    66°Lo 45°

    Sunshine and patchy clouds

    Poor for skiing
    • Rain
      0 in
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Sun

    Feb 14

    70°Lo 53°

    Mostly sunny

    Poor for skiing
    • Rain
      0 in
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Mon

    Feb 15

    72°Lo 49°

    Sunny

    Poor for skiing
    • Rain
      0 in
    • Precip
      7%
    • Hours of Precip
      0
    more
Next Previous
Hi 69° RealFeel® 71° Precipitation 6%

Day

N

E

S

W

  • NW 4 mph
  • Gusts: 9 mph

Clouds and sun

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 48° RealFeel® 50° Precipitation 6%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Feb 11

more Historical Weather Data >
  Today Normal Record 2/11/2015
High 69° 61° N/A 68°
Low 48° 45° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:03 AM with 10:40 of sunlight, then sets at 5:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:00 AM with 12:37 of moolight, then sets at 9:37 PM

Castro Valley Weather Report

San Francisco: Dry and mild into the weekend

February 11, 2016; 8:48 AM ET

The summerlike warmth that set records during the first part of the week will fade by the weekend, but temperatures will remain above normal. more >

Which Reigns Supreme: Skiing in the East or West?

Feb 15, 2012; 5:00 AM ET As the age-old debate rages on, Violeta Yas asks enthusiasts which they prefer, and why.

Radar & Satellite

48 Hour Precipitation Forecast

Thu. Ski Weather