Coon Island Weather Forecast

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    Rain

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    • 55

    Rain

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    • 57

    Rain

    • 51
    • 58

    Rain

    • 50
    • 56

    Rain

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    Rain

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    Rain

Today 17 Sep Ketchikan Gateway Borough

Rain. Highs in the upper 50s. Southeast Winds 15 to 25 Mph with Gusts to around 45 Mph decreasing to 10 to 15 Mph in the afternoon.

Tonight 17 Sep Ketchikan Gateway Borough

Rain likely. Lows in the lower 50s. Southeast Winds 10 to 20 Mph.

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Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 14 September, 2025

    46.9 °F

  • Average September

    58 °F

  • Highest 1 September, 2025

    72 °F

Climate (2020–Present)

Ketchikan, Ketchikan International Airport (10.6 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    52 °F
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