Coon Island Weather Forecast

    • 42
    • 55

    Rain Showers Likely

    • 45
    • 58

    Mostly Sunny

    • 48
    • 55

    Rain Showers

    • 50
    • 53

    Rain Showers

    • 49
    • 54

    Rain Showers

    • 48
    • 53

    Rain Showers

Today 24 Sep Ketchikan Gateway Borough

Decreasing Clouds. Rain Showers. Highs in the mid 50s. Southeast Winds around 10 Mph.

Tonight 24 Sep Ketchikan Gateway Borough

Mostly clear. Lows in the mid 40s. Light Winds becoming north around 10 Mph late.

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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

    56.9 °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

    52 °F
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