Cat Island Weather Forecast

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    Rain Likely

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    • 56

    Rain

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    Rain

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    Rain

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    Rain

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    Rain

Today 17 Sep Ketchikan Gateway Borough

Rain. Highs in the upper 50s. Southeast Winds 15 to 25 Mph with Gusts to around 45 Mph decreasing to 10 to 15 Mph in the afternoon.

Tonight 17 Sep Ketchikan Gateway Borough

Rain likely. Lows in the lower 50s. Southeast Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Island Temperature Statistics

September Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

  • Lowest 14 September, 2025

    48 °F

  • Average September

    58.1 °F

  • Highest 2 September, 2025

    70 °F

Climate (2020–Present)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    50.7 °F
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