Santa Cruz Island - Prisoners Harbor Weather Forecast

    • 58
    • 67

    Increasing Clouds

    • 57
    • 64

    Mostly Cloudy

    • 57
    • 63

    Mostly Cloudy

    • 59
    • 65

    Rain Showers

    • 57
    • 65

    Rain Showers

    • 55
    • 64

    Rain Showers

Today 20 Dec Santa Cruz and Anacapa Islands

Partly cloudy in the morning then sunny. Highs in the mid 60s to lower 70s.

Tonight 20 Dec Santa Cruz and Anacapa Islands

Low Clouds and fog developing. Lows in the lower to mid 50s.

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Santa Cruz Island - Prisoners Harbor Temperature Statistics

December Temperature

Santa Barbara, Santa Barbara Municipal Airport (29.2 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    57 °F

  • Highest 18 December, 2025

    82 °F

Climate (2020–Present)

Santa Barbara, Santa Barbara Municipal Airport (29.2 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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