Cat Island Weather Forecast

    • 54
    • 58

    Rain Likely

    • 55
    • 56

    Rain

    • 55
    • 58

    Rain Showers

    • 54
    • 58

    Rain Showers

    • 52
    • 56

    Rain Showers

    • 52
    • 56

    Rain Showers Likely

Today 17 Sep Ketchikan Gateway Borough

Mostly cloudy. Highs in the lower 60s. Light Winds.

Tonight 17 Sep Ketchikan Gateway Borough

Mostly cloudy. Chance of rain Showers. Lows in the lower 50s. Southeast Winds around 10 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 10 September, 2026

    51.1 °F

  • Average September

    58.2 °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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