Don Castro Reservoir Weather Forecast
- 43
- 56
Mostly Cloudy
- 51
- 55
Rain
- 53
- 59
Rain
- 52
- 61
Rain Likely
- 47
- 58
Rain
- 40
- 55
Rain Likely
- 40
- 54
Chance Rain
Today 30 Jan San Francisco Bay Shoreline
Mostly cloudy late in the morning then becoming partly cloudy. Highs in the upper 50s. Light Winds. Becoming west around 5 Mph in the afternoon.
Tonight 30 Jan San Francisco Bay Shoreline
Mostly cloudy. A slight chance of rain. Lows in the mid 40s. West Winds around 5 Mph. Becoming southeast after midnight.
Don Castro Reservoir Temperature Statistics
January Temperature
Hayward, Hayward Air Terminal (3.7 miles)
Lowest 27 January, 2025
37.9 °FAverage January
53.1 °FHighest 11 January, 2025
71.7 °F
Climate (2020–Present)
Hayward, Hayward Air Terminal (3.7 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
52 °FAverage 2020–2025
59.3 °FAverage High 2020–2025
69.1 °F