Coon Island Weather Forecast

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    Rain Showers

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    Rain Showers

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    • 52

    Rain Showers

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    Rain Showers

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    Chance Rain Showers

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    Rain Showers Likely

Today 27 Sep Ketchikan Gateway Borough

Rain Showers. Slight chance of Thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the mid 50s. South Winds 15 to 25 Mph with Gusts to around 45 Mph.

Tonight 27 Sep Ketchikan Gateway Borough

Rain Showers in the evening. Slight chance of Thunderstorms. Chance of rain Showers late. Locally heavy rainfall possible in the evening. Lows in the lower 50s. South Winds 15 to 25 Mph. Gusts up to 45 Mph in the evening.

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Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 25 September, 2026

    39.9 °F

  • Average September

    55.8 °F

  • Highest 3 September, 2026

    73 °F

Climate (2021–2026)

Ketchikan, Ketchikan International Airport (10.6 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    52 °F
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