• Tonight

    Aug 28

    Lo 65°

    Partly cloudy

    Skiing Weather
    • Rain
      0 in
    • Precip
      3%
    • Hours of Precip
      0
  • Sat

    Aug 29

    79°Lo 62°

    Partly sunny and not as warm

    Poor for skiing
    • Rain
      0 in
    • Precip
      14%
    • Hours of Precip
      0
    more
  • Sun

    Aug 30

    76°Lo 60°

    Sunshine; breezy in the p.m.

    Poor for skiing
    • Rain
      0 in
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Mon

    Aug 31

    76°Lo 60°

    Pleasant with sunshine

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

    Sep 1

    74°Lo 62°

    Areas of low clouds, then sun

    Poor for skiing
    • Rain
      0 in
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Hi 89° RealFeel® 92° Precipitation 3%

Day

N

E

S

W

  • W 8 mph
  • Gusts: 20 mph

Times of clouds and sun

  • Max UV Index: 7 (High)
  • 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 65° RealFeel® 64° Precipitation 11%

Night

N

E

S

W

  • WNW 7 mph
  • Gusts: 16 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 - Aug 28

more Historical Weather Data >
  Today Normal Record 8/28/2014
High 89° N/A N/A 73°
Low 65° N/A N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:09 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:00 PM with 11:28 of moolight, then sets at 6:28 AM

Castro Valley Weather Report

San Francisco: Sunshine, Dry Conditions to Span the Weekend

August 29, 2015; 1:07 AM ET

Dry conditions are expected to continue across the area for the foreseeable future. more >

Tourism of Doom: Traveling to Endangered Places

Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.

Radar & Satellite

48 Hour Precipitation Forecast

Fri. Ski Weather