Mount Madonna County Park Weather Forecast

    • 56
    • 78

    Sunny

    • 57
    • 80

    Sunny

    • 59
    • 79

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 62
    • 83

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 63
    • 82

    Sunny

Today 29 Sep Santa Cruz Mountains

Sunny. Highs in the mid 70s to upper 80s. Northwest Winds around 5 Mph.

Tonight 29 Sep Santa Cruz Mountains

Mostly clear. Lows in the mid 50s to lower 60s. Light Winds. Becoming northwest up to 5 Mph after midnight.

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Mount Madonna County Park Temperature Statistics

September Temperature

Watsonville, Watsonville Municipal Airport (6.8 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    65.1 °F

  • Highest 9 September, 2026

    102.7 °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

    57.5 °F

  • Average High 2021–2026

    68.3 °F
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