Coon Island Weather Forecast

    • 51
    • 71

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 55
    • 67

    Mostly Sunny

    • 55
    • 66

    Mostly Cloudy

    • 55
    • 63

    Chance Rain Showers

    • 55
    • 62

    Rain Showers Likely

Today 3 Sep Ketchikan Gateway Borough

Mostly clear. Patchy fog early in the morning. Highs in the lower 70s. Northwest Winds 10 to 15 Mph.

Tonight 3 Sep Ketchikan Gateway Borough

Mostly clear. Lows in the lower 50s. North 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 1 September, 2026

    53.1 °F

  • Average September

    54.4 °F

  • Highest 1 September, 2026

    57.9 °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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