Coon Island Weather Forecast

    • 53
    • 72

    Partly Sunny

    • 54
    • 64

    Patchy Fog

    • 53
    • 62

    Mostly Cloudy

    • 55
    • 61

    Rain

    • 54
    • 58

    Rain

    • 53
    • 61

    Chance Rain

    • 54
    • 65

    Slight Chance Rain

Today 5 Sep Ketchikan Gateway Borough

Mostly clear. Highs around 70. North Winds around 10 Mph shifting to the west in the afternoon.

Tonight 5 Sep Ketchikan Gateway Borough

Partly cloudy. Patchy fog late. Lows in the mid 50s. Northwest Winds around 10 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 2 September, 2026

    52 °F

  • Average September

    58.6 °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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