Mount Madonna County Park Weather Forecast

    • 52
    • 67

    Becoming Sunny

    • 51
    • 71

    Mostly Sunny

    • 51
    • 69

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 60
    • 77

    Slight Chance Rain

    • 63
    • 75

    Slight Chance Rain

    • 60
    • 75

    Slight Chance Rain

Today 4 Sep Santa Cruz Mountains

Sunny. Highs in the 60s to mid 70s. Northwest Winds around 5 Mph.

Tonight 4 Sep Santa Cruz Mountains

Mostly clear. Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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Mount Madonna County Park Temperature Statistics

September Temperature

Watsonville, Watsonville Municipal Airport (6.8 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    62.8 °F

  • Highest 2 September, 2026

    71.1 °F

Climate (2021–2026)

Watsonville, Watsonville Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.3 °F
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