Coon Island Weather Forecast

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    Rain Showers

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    Rain Showers

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    Rain Showers

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    Rain Showers Likely

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    Chance Rain Showers

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    Rain Showers

Today 21 Sep Ketchikan Gateway Borough

Slight chance of Thunderstorms in the morning. Rain Showers. Some Thunderstorms may produce gusty Winds and heavy rainfall in the morning. Highs in the mid 50s. South Winds around 10 Mph.

Tonight 21 Sep Ketchikan Gateway Borough

Mostly cloudy. Chance of rain Showers in the Evening, then rain late. Lows in the upper 40s. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • 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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