Coon Island Weather Forecast

    • 51
    • 67

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 55
    • 69

    Mostly Sunny

    • 55
    • 66

    Mostly Cloudy

    • 55
    • 63

    Chance Rain Showers

    • 55
    • 62

    Rain Showers Likely

Today 2 Sep Ketchikan Gateway Borough

Decreasing Clouds. Scattered rain Showers in the morning. Highs in the mid 60s. North Winds around 10 Mph shifting to the northwest in the afternoon.

Tonight 2 Sep Ketchikan Gateway Borough

Mostly clear. Lows in the lower 50s. West Winds around 10 Mph shifting to the northwest late.

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Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest

  • Average September

  • Highest

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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