Bay of Isles - South Arm Weather Forecast

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    • 40

    Rain

    • 37
    • 42

    Rain

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    • 40

    Rain

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    • 38

    Rain

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    • 39

    Rain

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    • 40

    Rain

Today 29 Oct West Prince William Sound & Whittier

A chance of rain in the Morning, then rain in the afternoon. Rain may be heavy at Times in the afternoon. Highs in the mid 40s. Northeast wind 10 to 15 Mph. Gusts to 25 Mph in the afternoon.

Tonight 29 Oct West Prince William Sound & Whittier

Rain. Rain may be heavy at Times. Lows in the lower 40s. East wind 15 to 30 Mph. Gusts to 40 Mph after midnight.

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Bay of Isles - South Arm Temperature Statistics

October Temperature

Portage, Portage Glacier (47.8 miles)

  • Lowest 23 October, 2026

    19.9 °F

  • Average October

    39.1 °F

  • Highest 15 October, 2026

    50 °F

Climate (2021–2026)

Portage, Portage Glacier (47.8 miles)

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  • Average Low 2021–2026

    32.3 °F

  • Average 2021–2026

    38.3 °F

  • Average High 2021–2026

    43.9 °F
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