, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Mar 25

      64° /49°F
      Clouds and sun
      • Fair
      • for fishing
      • Precip: 6%
      • Cloud Cover: 56%
      • Wind Speed: 8 mph
    • Sun

      Mar 26

      60° /50°
      A passing afternoon shower
      • Very Good
      • for fishing
      • Precip: 55%
      • Cloud Cover: 84%
      • Wind Speed: 8 mph
      More
    • Mon

      Mar 27

      63° /46°
      Periods of clouds and sun
      • Very Good
      • for fishing
      • Precip: 11%
      • Cloud Cover: 46%
      • Wind Speed: 10 mph
      More
    • Tue

      Mar 28

      70° /50°
      Mostly sunny and pleasant
      • Excellent
      • for fishing
      • Precip: 1%
      • Cloud Cover: 23%
      • Wind Speed: 8 mph
      More
    • Wed

      Mar 29

      71° /53°
      Mostly sunny and pleasant
      • Very Good
      • for fishing
      • Precip: 2%
      • Cloud Cover: 19%
      • Wind Speed: 8 mph
      More

    Day

    64°Hi RealFeel® 67° Precipitation 6%
    Intervals of clouds and sunshine
    • WNW 8 mph
    • Gusts: 16 mph
    • Max UV Index: 6 (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

    Night

    49°Lo RealFeel® 47° Precipitation 7%
    Patchy clouds
    • WSW 6 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 3/25/2016
    High 64° 65° N/A 69°
    Low 49° 47° N/A 51°

    Sunrise/Sunset

    • Sunrise: 7:05 AM
    • Sunset: 7:25 PM
    • Duration: 12:20 hr

    Moonrise/Moonset

    • Moonrise: 5:44 AM
    • Moonset: 5:04 PM
    • Duration: 11:20 hr
    Astronomy

    Solunar Information for Castro Valley, CA

    Tue, Mar 28
    New
    Mon, Apr 3
    First
    Tue, Apr 11
    Full
    Wed, Apr 19
    Last

    Radar & Satellite

    Sat. Fishing Weather