Castle Rock State Park Entrance Weather Forecast

    • 56
    • 66

    Increasing Clouds

    • 60
    • 68

    Partly Sunny

    • 61
    • 68

    Partly Sunny

    • 57
    • 68

    Mostly Sunny

    • 58
    • 70

    Mostly Sunny

    • 62
    • 72

    Mostly Sunny

Today 1 Sep Santa Cruz Mountains

Mostly cloudy in the morning then becoming partly cloudy. A slight chance of drizzle in the morning. Highs in the mid 60s to lower 70s. Light Winds. Becoming southwest around 5 Mph in the afternoon.

Tonight 1 Sep Santa Cruz Mountains

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. A slight chance of drizzle after midnight. Lows in the 50s. Southwest Winds up to 5 Mph.

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Castle Rock State Park Entrance Temperature Statistics

September Temperature

San Jose, San Jose International Airport (12.4 miles)

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Climate (2021–2026)

San Jose, San Jose International Airport (12.4 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.8 °F
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