Pennock Island Weather Forecast

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 70

    Partly Sunny

    • 56
    • 69

    Partly Sunny

    • 57
    • 71

    Mostly Cloudy

    • 57
    • 73

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 59
    • 73

    Mostly Cloudy

Today 8 Aug Ketchikan Gateway Borough

Increasing Clouds. Slight chance of rain Showers early in the morning. Highs in the mid 60s. Northwest Winds around 10 Mph.

Tonight 8 Aug Ketchikan Gateway Borough

Mostly cloudy. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pennock Island Temperature Statistics

August Temperature

Ketchikan, Ketchikan International Airport (3.7 miles)

  • Lowest 4 August, 2026

    53.6 °F

  • Average August

    59.6 °F

  • Highest 3 August, 2026

    66.2 °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

    46.8 °F

  • Average High 2021–2026

    51.8 °F
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