Mary Island - Custom House Cove Weather Forecast

    • 42
    • 48

    Drizzle

    • 43
    • 47

    Rain

    • 42
    • 47

    Rain

    • 40
    • 46

    Rain

    • 39
    • 47

    Rain/Snow

    • 37
    • 43

    Rain/Snow

Today 4 Dec Ketchikan Gateway Borough

Mostly cloudy. Drizzle and patchy fog. Highs in the mid 40s. West Winds around 10 Mph.

Tonight 4 Dec Ketchikan Gateway Borough

Mostly cloudy. Chance of rain. Lows in the upper 30s. East Winds around 10 Mph.

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Mary Island - Custom House Cove Temperature Statistics

December Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

  • Lowest 2 December, 2025

    41 °F

  • Average December

    45 °F

  • Highest 1 December, 2025

    48 °F

Climate (2021–Present)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

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  • Average Low 2021–2025

    43.6 °F

  • Average 2021–2025

    47.1 °F

  • Average High 2021–2025

    50.8 °F
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