Santa Cruz Island - Prisoners Harbor Weather Forecast

    • 67
    • 73

    Increasing Clouds

    • 62
    • 75

    Rain Showers Likely

    • 65
    • 72

    Rain Showers Likely

    • 64
    • 72

    Chance Rain Showers

    • 65
    • 72

    Partly Sunny

    • 66
    • 74

    Slight Chance Rain Showers

    • 67
    • 75

    Slight Chance Rain Showers

Today 16 Sep Santa Cruz and Anacapa Islands

Sunny after morning low Clouds and fog. Highs in the mid 70s to lower 80s except the upper 80s farthest interior.

Tonight 16 Sep Santa Cruz and Anacapa Islands

Mostly clear in the evening then partly cloudy. Lows in the lower to mid 60s.

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Santa Cruz Island - Prisoners Harbor Temperature Statistics

September Temperature

Santa Barbara, Santa Barbara Municipal Airport (29.2 miles)

  • Lowest 7 September, 2025

    57 °F

  • Average September

    68.1 °F

  • Highest 7 September, 2025

    81 °F

Climate (2020–Present)

Santa Barbara, Santa Barbara Municipal Airport (29.2 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    69.5 °F
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