Hourly Weather Forecast - Castro Valley, CA

70% Chance of Rain

70% Chance of Rain

70% Chance of Light Rain

50% Chance of Light Rain

50% Chance of Light Rain

50% Chance Rain Showers

50% Chance Rain Showers

50% Chance Rain Showers

50% Chance Rain Showers

50% Chance Rain Showers

70% Chance Rain Showers

70% Chance Rain Showers

60% Chance of Rain

60% Chance of Rain

60% Chance of Light Rain

40% Chance of Light Rain

40% Chance of Light Rain

40% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

Partly Cloudy