Coon Island Weather Forecast

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    Rain Showers

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    Rain Showers

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    • 51

    Rain Showers

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    • 56

    Chance Rain

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    Chance Rain

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    Rain Likely

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    Rain Showers

Today 21 Sep Ketchikan Gateway Borough

Slight chance of Thunderstorms in the morning. Rain Showers. Highs in the mid 50s. South Winds around 10 Mph.

Tonight 21 Sep Ketchikan Gateway Borough

Patchy fog in the evening. Rain Showers likely. Lows in the upper 40s. Southeast Winds 10 to 15 Mph.

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  • Temperature Real-Time

Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 18 September, 2026

    46 °F

  • Average September

    57.6 °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

    51.9 °F
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