• Today

    Feb 5

    59°Lo 42°

    Mostly sunny

    Excellent for driving
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sat

    Feb 6

    65°Lo 45°

    Mostly sunny

    Excellent for driving
    • Precip
      8%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Feb 7

    68°Lo 46°

    Plenty of sunshine

    Excellent for driving
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Feb 8

    70°Lo 47°

    Plenty of sunshine

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
  • Tue

    Feb 9

    70°Lo 46°

    Sunny

    Excellent for driving
    • Precip
      6%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Hi 70° RealFeel® 70° Precipitation 2%

Day

N

E

S

W

  • NE 6 mph
  • Gusts: 8 mph

Plenty of sunshine

  • 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 47° RealFeel® 47° Precipitation 3%

Night

N

E

S

W

  • ENE 4 mph
  • Gusts: 6 mph

Clear

  • 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 8

more Historical Weather Data >
  Today Normal Record 2/8/2015
High 70° 60° N/A 60°
Low 47° 44° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:06 AM with 10:34 of sunlight, then sets at 5:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:59 AM with 11:11 of moolight, then sets at 6:10 PM

Castro Valley Weather Report

Super Bowl Sunday: Break in wet El Nino-driven weather pattern to arrive in time for big game

February 5, 2016; 7:20 PM ET

Dry conditions and above-normal temperatures are expected for Super Bowl Sunday in Santa Clara, California. more >

Travel Weather Forecast

Feb 05, 2016; 6:54 PM ET United States travel weather forecast

Mon. Driving Weather