San Nicholas Island - Dutch Harbor Weather Forecast

    • 61
    • 73

    Patchy Fog

    • 61
    • 74

    Patchy Fog

    • 61
    • 74

    Partly Sunny

    • 62
    • 74

    Partly Sunny

    • 62
    • 74

    Partly Sunny

    • 61
    • 74

    Partly Sunny

Today 28 Jul Catalina and Santa Barbara Islands

Areas of low Clouds and fog in the morning then partly cloudy. Highs from the mid 70s to around 80 near the coast to the mid to upper 80s interior.

Tonight 28 Jul Catalina and Santa Barbara Islands

Partly cloudy. Lows in the lower to mid 60s.

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San Nicholas Island - Dutch Harbor Temperature Statistics

July Temperature

San Nicolas Island Naval Outlying Field (1.9 miles)

  • Lowest 9 July, 2026

    55 °F

  • Average July

    65.2 °F

  • Highest 21 July, 2026

    79 °F

Climate (2021–2026)

San Nicolas Island Naval Outlying Field (1.9 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    58.9 °F

  • Average High 2021–2026

    65 °F
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