Castro Valley, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Rain
    52°
    Friday 5/3
    Forecast night icon
    52°
    Rain
    Hourly
    Night Details
    Rain after midnight. Lows in the lower 50s. West winds 10 to 20 mph.
  • Forecast day icon
    Saturday
    Rain
    57°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Saturday 5/4
    Day
    57°
    Rain
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Rain. Highs in the upper 50s. Southwest winds 10 to 20 mph.
    Night Details
    Partly cloudy. Lows in the upper 40s. West winds 10 to 20 mph.
  • Forecast day icon
    Sunday
    Sunny
    61°
    Forecast night icon
    Night
    Clear
    43°
    Sunday 5/5
    Day
    61°
    Sunny
    Forecast day icon
    Night
    43°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 60s. West winds 10 to 20 mph.
    Night Details
    Clear. Lows in the upper 40s. West winds 10 to 20 mph.
  • Forecast day icon
    Monday
    Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Monday 5/6
    Day
    62°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s.
    Night Details
    Mostly clear. Lows in the upper 40s. Highs in the upper 60s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Clear
    47°
    Tuesday 5/7
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the upper 40s. Highs in the upper 60s.
    Night Details
    Clear. Lows in the lower 50s. Highs in the 70s.
  • Forecast day icon
    Wednesday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    52°
    Wednesday 5/8
    Day
    76°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Clear. Lows in the lower 50s. Highs in the 70s.
    Night Details
    Clear. Lows in the lower 50s. Highs in the 70s.
  • Forecast day icon
    Thursday
    Sunny
    83°
    Forecast night icon
    Night
    Mostly Clear
    56°
    Thursday 5/9
    Day
    83°
    Sunny
    Forecast day icon
    Night
    56°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to lower 80s.
    Night Details
    Mostly clear. Lows in the mid 50s. Highs in the upper 70s to mid 80s.
  • Forecast day icon
    Friday
    Mostly Sunny
    85°
    Forecast night icon
    Night
    Clear
    58°
    Friday 5/10
    Day
    85°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the mid 50s. Highs in the upper 70s to mid 80s.
    Night Details
    Clear. Low temperature around 58F. Dew point will be around 48F with an average humidity of 54%. Winds will be 5 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    83°
    Forecast night icon
    Night
    Clear
    56°
    Saturday 5/11
    Day
    83°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 83F. Dew point will be around 53F with an average humidity of 44%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 56F. Dew point will be around 49F with an average humidity of 58%. Winds will be 7 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    77°
    Forecast night icon
    Night
    Clear
    53°
    Sunday 5/12
    Day
    77°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 77F. Dew point will be around 53F with an average humidity of 52%. Winds will be 8 mph from the W.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 49F with an average humidity of 69%. Winds will be 8 mph from the SW.