Port McArthur Weather Forecast

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    • 55

    Rain Showers

    • 49
    • 54

    Rain Showers

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    • 54

    Rain

    • 47
    • 53

    Rain Likely

    • 46
    • 51

    Rain Likely

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    • 53

    Slight Chance Rain

Today 4 Oct Western Kupreanof and Kuiu Island

Rain Showers. Highs in the mid 50s. Southeast Winds 10 to 20 Mph.

Tonight 4 Oct Western Kupreanof and Kuiu Island

Rain Showers. Lows in the upper 40s. South Winds 10 to 15 Mph.

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Port McArthur Temperature Statistics

October Temperature

Kake - Kake Airport (62.1 miles)

  • Lowest 2 October, 2026

    43 °F

  • Average October

    48.2 °F

  • Highest 1 October, 2026

    52 °F

Climate (2021–2026)

Kake - Kake Airport (62.1 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    48.8 °F
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