Bonny Doon Weather Forecast

    • 50
    • 76

    Becoming Sunny

    • 50
    • 74

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

Today 21 Mar Santa Cruz Mountains

Partly cloudy. Highs in the 70s to lower 80s. Northwest Winds 5 to 15 Mph.

Tonight 21 Mar Santa Cruz Mountains

Mostly clear. Lows near 50. Northwest Winds 5 to 15 Mph.

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Bonny Doon Temperature Statistics

March Temperature

Watsonville, Watsonville Municipal Airport (21.1 miles)

  • Lowest 11 March, 2026

    39.7 °F

  • Average March

    59 °F

  • Highest 18 March, 2026

    89.1 °F

Climate (2021–Present)

Watsonville, Watsonville Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    68 °F
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