Coon Island Weather Forecast

    • 52
    • 67

    Mostly Sunny

    • 53
    • 66

    Partly Sunny

    • 53
    • 64

    Mostly Cloudy

    • 53
    • 63

    Mostly Cloudy

    • 53
    • 60

    Chance Rain Showers

    • 53
    • 62

    Partly Sunny

    • 54
    • 62

    Mostly Cloudy

Today 12 Sep Ketchikan Gateway Borough

Mostly clear. Highs in the upper 60s. Northwest Winds around 10 Mph.

Tonight 12 Sep Ketchikan Gateway Borough

Mostly clear. Lows around 50. Northwest Winds around 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 10 September, 2026

    46.9 °F

  • Average September

    58.3 °F

  • Highest 3 September, 2026

    73 °F

Climate (2021–2026)

Ketchikan, Ketchikan International Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    51.9 °F
Get WillyWeather+ to remove ads