Castle Rock State Park Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

Today 2 Aug Santa Cruz Mountains

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 60s to lower 80s. Northwest Winds 5 to 15 Mph.

Tonight 2 Aug Santa Cruz Mountains

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 50s to lower 60s. Northwest Winds 5 to 15 Mph.

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Castle Rock State Park Temperature Statistics

August Temperature

San Jose, San Jose International Airport (13.7 miles)

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  • Average August

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Climate (2020–Present)

San Jose, San Jose International Airport (13.7 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.6 °F
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