Cat Island Weather Forecast

    • 47
    • 55

    Rain Showers Likely

    • 50
    • 56

    Partly Sunny

    • 50
    • 54

    Rain Showers

    • 52
    • 54

    Rain Showers

    • 51
    • 55

    Rain Showers

    • 51
    • 54

    Rain Showers

Today 24 Sep Ketchikan Gateway Borough

Rain Showers likely. Highs in the mid 50s. Southeast Winds around 10 Mph.

Tonight 24 Sep Ketchikan Gateway Borough

Mostly clear. Lows in the mid 40s. Light Winds becoming north around 10 Mph late.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Island Temperature Statistics

September Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

  • Lowest 21 September, 2026

    48.9 °F

  • Average September

    57 °F

  • Highest 3 September, 2026

    69.1 °F

Climate (2021–2026)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    51.5 °F
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