Coon Island Weather Forecast

    • 51
    • 60

    Rain Likely

    • 55
    • 58

    Rain

    • 53
    • 64

    Rain Likely

    • 50
    • 59

    Chance Rain

    • 52
    • 58

    Chance Rain

    • 53
    • 60

    Chance Rain

Today 14 Sep Ketchikan Gateway Borough

Decreasing Clouds. Slight chance of rain Showers. Highs in the lower 60s. Southeast Winds around 10 Mph.

Tonight 14 Sep Ketchikan Gateway Borough

Increasing Clouds. Chance of rain in the Evening, then rain likely late. Lows in the lower 50s. Southeast Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coon Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 9 September, 2025

    50 °F

  • Average September

    59.3 °F

  • Highest 1 September, 2025

    72 °F

Climate (2020–Present)

Ketchikan, Ketchikan International Airport (10.6 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    52 °F
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