Santa Rosa Island - Southeast Anchorage Weather Forecast

    • 62
    • 73

    Breezy

    • 62
    • 70

    Partly Sunny

    • 62
    • 69

    Partly Sunny

    • 62
    • 71

    Mostly Sunny

    • 61
    • 70

    Mostly Sunny

    • 60
    • 68

    Mostly Sunny

    • 60
    • 68

    Mostly Sunny

Today 18 Aug San Miguel and Santa Rosa Islands

Mostly cloudy in the morning then partly cloudy. Highs in the 70s to lower 80s. Northwest Winds 20 to 30 Mph.

Tonight 18 Aug San Miguel and Santa Rosa Islands

Areas of low Clouds and fog in the evening then mostly cloudy. Lows around 60. Northwest Winds 20 to 30 Mph.

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Santa Rosa Island - Southeast Anchorage Temperature Statistics

August Temperature

Santa Barbara, Santa Barbara Municipal Airport (31.7 miles)

  • Lowest 16 August, 2026

    57 °F

  • Average August

    70.4 °F

  • Highest 7 August, 2026

    79.6 °F

Climate (2021–2026)

Santa Barbara, Santa Barbara Municipal Airport (31.7 miles)

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  • Average Low 2021–2026

    51.5 °F

  • Average 2021–2026

    60.6 °F

  • Average High 2021–2026

    69.8 °F
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