Pennock Island Weather Forecast

    • 56
    • 66

    Chance Rain

    • 56
    • 63

    Rain

    • 53
    • 63

    Rain

    • 52
    • 64

    Chance Rain

    • 54
    • 73

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

    • 54
    • 70

    Partly Sunny

Today 7 Sep Ketchikan Gateway Borough

Decreasing Clouds. Highs in the lower 60s. Light Winds.

Tonight 7 Sep Ketchikan Gateway Borough

Mostly cloudy. Chance of rain late. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pennock Island Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (3.7 miles)

  • Lowest 5 September, 2026

    51.1 °F

  • Average September

    59.5 °F

  • Highest 3 September, 2026

    73 °F

Climate (2021–2026)

Ketchikan, Ketchikan International Airport (3.7 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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