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Castro Valley
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10 Day Forecast
  • Night
    Clear
    46°
    Sunday 2/7
    46°
    Clear
    Hourly
    Night Details
    Clear. Lows in the upper 40s. Northeast winds 10 to 20 mph.
  • Monday
    Sunny
    75°
    Night
    Clear
    47°
    Monday 2/8
    Day
    75°
    Sunny
    Night
    47°
    Clear
    Hourly
    Day Details
    Sunny. Highs in the lower 70s. Northeast winds 10 to 20 mph.
    Night Details
    Clear. Lows in the upper 40s. East winds 5 to 15 mph.
  • Tuesday
    Sunny
    72°
    Night
    Clear
    48°
    Tuesday 2/9
    Day
    72°
    Sunny
    Night
    48°
    Clear
    Hourly
    Day Details
    Sunny. Highs in the mid 60s to lower 70s. North winds 5 to 15 mph.
    Night Details
    Clear. Lows around 50. West winds 5 to 15 mph.
  • Wednesday
    Sunny
    68°
    Night
    Partly Cloudy
    48°
    Wednesday 2/10
    Day
    68°
    Sunny
    Night
    48°
    Partly Cloudy
    Hourly
    Day Details
    Sunny. Highs in the 60s.
    Night Details
    Partly cloudy. Lows around 50. Highs in the 60s.
  • Thursday
    Partly Cloudy
    69°
    Night
    Partly Cloudy
    49°
    Thursday 2/11
    Day
    69°
    Partly Cloudy
    Night
    49°
    Partly Cloudy
    Hourly
    Day Details
    Partly cloudy. Lows around 50. Highs in the 60s.
    Night Details
    Partly cloudy. Lows around 50. Highs in the 60s.
  • Friday
    Partly Cloudy
    67°
    Night
    Partly Cloudy
    50°
    Friday 2/12
    Day
    67°
    Partly Cloudy
    Night
    50°
    Partly Cloudy
    Hourly
    Day Details
    Partly cloudy. Lows around 50. Highs in the 60s.
    Night Details
    Partly cloudy. Lows around 50. Highs in the 60s.
  • Saturday
    Partly Cloudy
    66°
    Night
    Partly Cloudy
    47°
    Saturday 2/13
    Day
    66°
    Partly Cloudy
    Night
    47°
    Partly Cloudy
    Hourly
    Day Details
    Partly cloudy. Lows around 50. Highs in the 60s.
    Night Details
    Partly cloudy. Lows around 50. Highs in the 60s.
  • Sunday
    Partly Cloudy
    66°
    Night
    Mostly Cloudy
    49°
    Sunday 2/14
    Day
    66°
    Partly Cloudy
    Night
    49°
    Mostly Cloudy
    Day Details
    Partly cloudy. Lows around 50. Highs in the 60s.
    Night Details
    Mostly cloudy. Low temperature around 49F. Dew point will be around 46F with an average humidity of 80%. Winds will be 2 mph from the N.
  • Monday
    Mostly Cloudy
    69°
    Night
    Mostly Cloudy
    48°
    Monday 2/15
    Day
    69°
    Mostly Cloudy
    Night
    48°
    Mostly Cloudy
    Day Details
    Mostly cloudy. High temperature around 69F. Dew point will be around 46F with an average humidity of 58%. Winds will be 4 mph from the NE.
    Night Details
    Mostly cloudy. Low temperature around 48F. Dew point will be around 46F with an average humidity of 79%. Winds will be 2 mph from the ENE.
  • Tuesday
    Mostly Cloudy
    67°
    Night
    Mostly Cloudy
    51°
    Tuesday 2/16
    Day
    67°
    Mostly Cloudy
    Night
    51°
    Mostly Cloudy
    Day Details
    Mostly cloudy. High temperature around 67F. Dew point will be around 48F with an average humidity of 62%. Winds will be 4 mph from the W.
    Night Details
    Mostly cloudy. Low temperature around 51F. Dew point will be around 46F with an average humidity of 74%. Winds will be 4 mph from the SW.
  • Wednesday
    Partly Cloudy
    64°
    Night
    Partly Cloudy
    49°
    Wednesday 2/17
    Day
    64°
    Partly Cloudy
    Night
    49°
    Partly Cloudy
    Day Details
    Partly cloudy. High temperature around 64F. Dew point will be around 45F with an average humidity of 60%. Winds will be 9 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 49F. Dew point will be around 45F with an average humidity of 75%. Winds will be 7 mph from the W.