Coon Island Weather Forecast

    • 53
    • 60

    Rain Showers

    • 50
    • 61

    Chance Rain

    • 51
    • 69

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 53
    • 65

    Mostly Cloudy

    • 53
    • 66

    Partly Sunny

Today 9 Sep Ketchikan Gateway Borough

Rain Showers early in the Morning, then chance of rain Showers. Locally heavy rainfall possible in the morning. Highs in the lower 60s. Southeast Winds 10 to 20 Mph.

Tonight 9 Sep Ketchikan Gateway Borough

Decreasing Clouds. Scattered rain Showers. Patchy fog late. Lows in the lower 50s. South Winds around 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 5 September, 2026

    51.1 °F

  • Average September

    59.1 °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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