Santa Cruz Island - Platts Harbor Weather Forecast

    • 69
    • 84

    Increasing Clouds

    • 72
    • 89

    Slight Chance Rain Showers

    • 72
    • 87

    Mostly Sunny

    • 71
    • 87

    Mostly Sunny

    • 66
    • 84

    Mostly Sunny

    • 65
    • 81

    Mostly Sunny

    • 66
    • 81

    Mostly Sunny

Today 7 Sep Santa Cruz and Anacapa Islands

Sunny. Highs in the mid 70s to lower 80s except the mid 80s to around 90 farthest interior.

Tonight 7 Sep Santa Cruz and Anacapa Islands

Mostly clear in the evening then partly cloudy. Lows in the mid 60s to around 70.

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Santa Cruz Island - Platts Harbor Temperature Statistics

September Temperature

Santa Barbara, Santa Barbara Municipal Airport (26.7 miles)

  • Lowest 2 September, 2026

    53.7 °F

  • Average September

    67.5 °F

  • Highest 2 September, 2026

    80.7 °F

Climate (2021–2026)

Santa Barbara, Santa Barbara Municipal Airport (26.7 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    69.9 °F
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