Cat Island Weather Forecast

    • 56
    • 60

    Mostly Cloudy

    • 58
    • 64

    Partly Sunny

    • 59
    • 67

    Chance Rain

    • 57
    • 63

    Rain Likely

    • 56
    • 61

    Rain

    • 56
    • 62

    Rain Likely

    • 56
    • 63

    Chance Rain

Today 19 Aug Ketchikan Gateway Borough

Increasing Clouds. Chance of rain. Highs in the mid 60s. Northeast Winds around 10 Mph early in the morning becoming light.

Tonight 19 Aug Ketchikan Gateway Borough

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Island Temperature Statistics

August Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 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 (14.3 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    51.2 °F
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