Coon Island Weather Forecast

    • 41
    • 59

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 50
    • 67

    Rain Showers Likely

    • 47
    • 57

    Rain Showers Likely

    • 47
    • 57

    Chance Rain Showers

    • 48
    • 58

    Chance Rain Showers

Today 31 May Ketchikan Gateway Borough

Decreasing Clouds. Slight chance of rain Showers early in the morning. Highs in the upper 50s. Southeast Winds around 10 Mph in the morning becoming light.

Tonight 31 May Ketchikan Gateway Borough

Mostly clear. Lows in the lower 40s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coon Island Temperature Statistics

May Temperature

Ketchikan, Ketchikan International Airport (10.6 miles)

  • Lowest 19 May, 2026

    36 °F

  • Average May

    49.8 °F

  • Highest 5 May, 2026

    64 °F

Climate (2021–Present)

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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