San Miguel Island - Simonton Cove Weather Forecast

    • 62
    • 72

    Rain Showers

    • 62
    • 72

    Rain Showers

    • 61
    • 70

    Chance Rain Showers

    • 61
    • 70

    Patchy Fog

    • 62
    • 70

    Patchy Fog

    • 63
    • 71

    Slight Chance Rain Showers

    • 63
    • 71

    Patchy Fog

Today 17 Sep San Miguel and Santa Rosa Islands

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the 70s to lower 80s. Chance of precipitation 30 percent.

Tonight 17 Sep San Miguel and Santa Rosa Islands

A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the 60s to lower 70s. Chance of precipitation 70 percent.

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San Miguel Island - Simonton Cove Temperature Statistics

September Temperature

Santa Barbara, Santa Barbara Municipal Airport (39.8 miles)

  • Lowest 7 September, 2025

    57 °F

  • Average September

    68 °F

  • Highest 7 September, 2025

    81 °F

Climate (2020–Present)

Santa Barbara, Santa Barbara Municipal Airport (39.8 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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