Santa Cruz Island - Platts Harbor Weather Forecast

    • 46
    • 64

    Becoming Sunny

    • 48
    • 71

    Mostly Sunny

    • 54
    • 69

    Sunny

    • 55
    • 69

    Sunny

    • 56
    • 69

    Sunny

    • 58
    • 72

    Mostly Sunny

Today 3 Dec Santa Cruz and Anacapa Islands

Partly cloudy. Highs in the lower to mid 60s.

Tonight 3 Dec Santa Cruz and Anacapa Islands

Partly cloudy in the evening then mostly clear. Lows in the mid 40s to lower 50s.

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Santa Cruz Island - Platts Harbor Temperature Statistics

December Temperature

Santa Barbara, Santa Barbara Municipal Airport (26.7 miles)

  • Lowest 1 December, 2025

    46.9 °F

  • Average December

    54.8 °F

  • Highest 1 December, 2025

    66 °F

Climate (2020–Present)

Santa Barbara, Santa Barbara Municipal Airport (26.7 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    69.5 °F
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