Mary Island - Custom House Cove Weather Forecast

    • 43
    • 49

    Increasing Clouds

    • 42
    • 47

    Mostly Cloudy

    • 41
    • 50

    Mostly Sunny

    • 40
    • 50

    Mostly Sunny

    • 41
    • 48

    Mostly Cloudy

    • 41
    • 50

    Partly Sunny

    • 41
    • 49

    Mostly Sunny

Today 22 Oct Ketchikan Gateway Borough

Mostly cloudy. Highs in the upper 40s.

Tonight 22 Oct Ketchikan Gateway Borough

Increasing Clouds. Patchy fog. Slight chance of rain Showers late. Lows in the upper 30s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mary Island - Custom House Cove Temperature Statistics

October Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

  • Lowest 19 October, 2026

    39 °F

  • Average October

    50.4 °F

  • Highest 15 October, 2026

    60.1 °F

Climate (2021–2026)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    51.6 °F
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