Rain Showers Likely
Today 5 Apr San Francisco Bay Shoreline
Showers in the Morning, then a chance of Showers and a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce small hail in the afternoon. Highs in the upper 50s. Southwest Winds 10 to 20 Mph.
Tonight 5 Apr San Francisco Bay Shoreline
Mostly cloudy. A chance of Showers. Lows in the mid 40s. West Winds 5 to 10 Mph. Becoming north after midnight.
Castro Valley Temperature Statistics
Hayward, Hayward Air Terminal (3.1 miles)
Lowest 2 April, 202042.1 °F
Average April53.3 °F
Highest 2 April, 202064 °F
Hayward, Hayward Air Terminal (3.1 miles)Take a look at our website widgetsAvailable free! Find Out More
Average Low 2010–Present52 °F
Average 2010–Present58.9 °F
Average High 2010–Present68.1 °F