Coon Island Weather Forecast

    • 53
    • 58

    Rain Showers

    • 53
    • 54

    Rain Showers

    • 52
    • 63

    Chance Rain Showers

    • 53
    • 66

    Mostly Sunny

    • 55
    • 67

    Partly Sunny

    • 56
    • 67

    Mostly Cloudy

Today 31 Aug Ketchikan Gateway Borough

Mostly cloudy. Chance of rain Showers. Highs in the upper 50s. Southeast Winds 10 to 15 Mph.

Tonight 31 Aug Ketchikan Gateway Borough

Rain Showers. Lows in the lower 50s. Southeast Winds 10 to 15 Mph.

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Coon Island Temperature Statistics

August Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 28 August, 2026

    48.9 °F

  • Average August

    60.9 °F

  • Highest 14 August, 2026

    79 °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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