Coon Island Weather Forecast

    • 55
    • 66

    Mostly Cloudy

    • 57
    • 67

    Partly Sunny

    • 57
    • 69

    Rain Likely

    • 55
    • 63

    Rain

    • 55
    • 59

    Rain

    • 54
    • 61

    Rain Likely

Today 19 Aug Ketchikan Gateway Borough

Mostly cloudy. Chance of rain. Highs in the mid 60s. Light Winds becoming south around 10 Mph in the afternoon.

Tonight 19 Aug Ketchikan Gateway Borough

Mostly cloudy. Slight chance of rain. Patchy fog late. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coon Island Temperature Statistics

August Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 9 August, 2026

    53.1 °F

  • Average August

    61.6 °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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