Castro Valley, California | Local and National Hourly Weather Forecasts | WeatherBug
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  • Friday
    7:54p
    Forecast hour icon
    8pm
    Mostly Clear
    56°
    Precip 0%
    8pm Fri
    56°
    Feels like 56°
    Current forecast icon
    Mostly Clear
    • Humidity
      70%
    • Wind
      W 12
    • Dew Point
      47°
  • Forecast hour icon
    9pm
    Clear
    54°
    Precip 0%
    9pm Fri
    54°
    Feels like 54°
    Current forecast icon
    Clear
    • Humidity
      74%
    • Wind
      W 10
    • Dew Point
      47°
  • Forecast hour icon
    10pm
    Mostly Clear
    53°
    Precip 0%
    10pm Fri
    53°
    Feels like 53°
    Current forecast icon
    Mostly Clear
    • Humidity
      77%
    • Wind
      W 9
    • Dew Point
      46°
  • Forecast hour icon
    11pm
    Clear
    52°
    Precip 0%
    11pm Fri
    52°
    Feels like 52°
    Current forecast icon
    Clear
    • Humidity
      80%
    • Wind
      WSW 8
    • Dew Point
      46°
  • Saturday
    Forecast hour icon
    12am
    Clear
    51°
    Precip 0%
    12am Sat
    51°
    Feels like 51°
    Current forecast icon
    Clear
    • Humidity
      82%
    • Wind
      WSW 7
    • Dew Point
      46°
  • Forecast hour icon
    1am
    Clear
    51°
    Precip 0%
    1am Sat
    51°
    Feels like 51°
    Current forecast icon
    Clear
    • Humidity
      83%
    • Wind
      WSW 7
    • Dew Point
      46°
  • Forecast hour icon
    2am
    Mostly Clear
    50°
    Precip 0%
    2am Sat
    50°
    Feels like 50°
    Current forecast icon
    Mostly Clear
    • Humidity
      84%
    • Wind
      SW 7
    • Dew Point
      46°
  • Forecast hour icon
    3am
    Mostly Clear
    50°
    Precip 0%
    3am Sat
    50°
    Feels like 47°
    Current forecast icon
    Mostly Clear
    • Humidity
      84%
    • Wind
      SW 6
    • Dew Point
      45°
  • Forecast hour icon
    4am
    Mostly Clear
    49°
    Precip 0%
    4am Sat
    49°
    Feels like 47°
    Current forecast icon
    Mostly Clear
    • Humidity
      85%
    • Wind
      SW 6
    • Dew Point
      45°
  • Forecast hour icon
    5am
    Mostly Clear
    49°
    Precip 0%
    5am Sat
    49°
    Feels like 46°
    Current forecast icon
    Mostly Clear
    • Humidity
      86%
    • Wind
      SW 6
    • Dew Point
      45°
  • Forecast hour icon
    6am
    Partly Cloudy
    49°
    Precip 0%
    6am Sat
    49°
    Feels like 47°
    Current forecast icon
    Partly Cloudy
    • Humidity
      86%
    • Wind
      SW 6
    • Dew Point
      45°
  • 6:16a
    Forecast hour icon
    7am
    Partly Cloudy
    51°
    Precip 0%
    7am Sat
    51°
    Feels like 51°
    Current forecast icon
    Partly Cloudy
    • Humidity
      84%
    • Wind
      SW 6
    • Dew Point
      46°