Duke Island Weather Forecast

    • 56
    • 74

    Partly Sunny

    • 53
    • 67

    Chance Rain Showers

    • 54
    • 62

    Rain Showers Likely

    • 54
    • 64

    Chance Rain Showers

    • 54
    • 67

    Chance Rain Showers

    • 53
    • 64

    Chance Rain Showers

Today 21 Aug Ketchikan Gateway Borough

Partly cloudy then becoming mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. Northwest Winds around 10 Mph.

Tonight 21 Aug Ketchikan Gateway Borough

Increasing Clouds. Lows in the upper 50s. Northwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duke Island Temperature Statistics

August Temperature

Metlakatla, Metlakatla Seaplane Base (16.8 miles)

  • Lowest 1 August, 2026

    53.1 °F

  • Average August

    60.8 °F

  • Highest 13 August, 2026

    81 °F

Climate (2021–2026)

Metlakatla, Metlakatla Seaplane Base (16.8 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    51.3 °F
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