Coon Island Weather Forecast

    • 53
    • 64

    Increasing Clouds

    • 54
    • 60

    Rain Showers Likely

    • 53
    • 59

    Rain Likely

    • 53
    • 57

    Rain

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    • 58

    Rain

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    • 56

    Rain

Today 15 Sep Ketchikan Gateway Borough

Mostly cloudy in the morning then clearing. Highs in the mid 60s. West Winds around 10 Mph.

Tonight 15 Sep Ketchikan Gateway Borough

Partly cloudy. Chance of rain Showers late. Lows in the lower 50s. West Winds around 10 Mph.

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  • Temperature Real-Time

Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 10 September, 2026

    46.9 °F

  • Average September

    58.5 °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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