Coon Island Weather Forecast

    • 54
    • 64

    Mostly Cloudy

    • 53
    • 62

    Chance Rain

    • 55
    • 61

    Rain

    • 53
    • 59

    Rain

    • 52
    • 62

    Chance Rain

    • 53
    • 68

    Partly Sunny

Today 6 Sep Ketchikan Gateway Borough

Partly cloudy. Highs in the mid 60s. Light Winds.

Tonight 6 Sep Ketchikan Gateway Borough

Mostly cloudy. Patchy fog. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 2 September, 2026

    52 °F

  • Average September

    59.8 °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

    51.9 °F
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