Castle Rock State Park Entrance Weather Forecast
- 39
- 45
Mostly Cloudy
- 44
- 48
Rain Likely
- 41
- 46
Rain/Snow Likely
- 39
- 45
Chance Rain/Snow
- 39
- 51
Mostly Sunny
- 42
- 54
Mostly Sunny
- 44
- 51
Rain Likely
Today 3 Mar Santa Cruz Mountains
Partly cloudy. Highs near 50. Northwest Winds 10 to 15 Mph.
Tonight 3 Mar Santa Cruz Mountains
Mostly cloudy. Areas of fog after midnight. Lows near 40. Northwest Winds 5 to 10 Mph.
Castle Rock State Park Entrance Temperature Statistics
March Temperature
San Jose, San Jose International Airport (12.4 miles)
Lowest 1 March, 2025
48.9 °FAverage March
55 °FHighest 1 March, 2025
63 °F
Climate (2020–Present)
San Jose, San Jose International Airport (12.4 miles)
Average Low 2020–2025
52 °FAverage 2020–2025
61.6 °FAverage High 2020–2025
72.7 °F