Mary Island - Custom House Cove Weather Forecast

    • 54
    • 57

    Mostly Cloudy

    • 56
    • 61

    Mostly Cloudy

    • 56
    • 61

    Rain

    • 55
    • 61

    Rain

    • 54
    • 63

    Slight Chance Rain

    • 56
    • 68

    Partly Sunny

    • 56
    • 66

    Partly Sunny

Today 6 Sep Ketchikan Gateway Borough

Partly cloudy. Highs in the upper 50s. Light Winds.

Tonight 6 Sep Ketchikan Gateway Borough

Increasing Clouds. Patchy fog late. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mary Island - Custom House Cove Temperature Statistics

September Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    59.5 °F

  • Highest 3 September, 2026

    69.1 °F

Climate (2021–2026)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    51.4 °F
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