San Miguel Island - Simonton Cove Weather Forecast

    • 55
    • 62

    Rain Showers

    • 53
    • 59

    Rain Showers Likely

    • 51
    • 60

    Slight Chance Rain Showers

    • 53
    • 61

    Mostly Sunny

    • 54
    • 62

    Mostly Sunny

    • 56
    • 64

    Mostly Cloudy

Today 25 Dec San Miguel and Santa Rosa Islands

Showers with a slight chance of Thunderstorms in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs in the lower to mid 60s. South Winds 20 to 30 Mph.

Tonight 25 Dec San Miguel and Santa Rosa Islands

A chance of Showers in the Evening, then Showers after midnight. Lows in the mid 50s.

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San Miguel Island - Simonton Cove Temperature Statistics

December Temperature

Santa Barbara, Santa Barbara Municipal Airport (39.8 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    57.2 °F

  • Highest 18 December, 2025

    82 °F

Climate (2020–Present)

Santa Barbara, Santa Barbara Municipal Airport (39.8 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    69.5 °F
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