Calero Reservoir Weather Forecast
- 36
- 54
Mostly Sunny
- 39
- 57
Mostly Sunny
- 42
- 62
Partly Sunny
- 47
- 59
Chance Rain
- 51
- 56
Rain Likely
- 49
- 58
Chance Rain
- 48
- 56
Chance Rain
Today 28 Dec Santa Cruz Mountains
Sunny. Highs in the mid 50s to lower 60s. Northeast Winds 5 to 10 Mph.
Tonight 28 Dec Santa Cruz Mountains
Clear. Lows in the lower 40s. Northeast Winds 5 to 10 Mph.
Calero Reservoir Temperature Statistics
December Temperature
San Jose / Reid / Hillv (9.9 miles)
Lowest 13 December, 2025
35.6 °FAverage December
53.7 °FHighest 17 December, 2025
69.8 °F
Climate (2020–Present)
San Jose / Reid / Hillv (9.9 miles)
Average Low 2020–2025
51.7 °FAverage 2020–2025
63.5 °FAverage High 2020–2025
72.1 °F