Perry Island Weather Forecast

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    Rain Likely

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    Rain

Today 9 Oct West Prince William Sound & Whittier

Partly cloudy. A slight chance of rain in the afternoon. Highs in the mid 40s. Variable wind 10 Mph. Gusts to 20 Mph in the morning.

Tonight 9 Oct West Prince William Sound & Whittier

A chance of rain in the Evening, then rain after midnight. Lows in the lower 40s. Southeast wind 10 to 15 Mph with Gusts to 25 Mph.

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Perry Island Temperature Statistics

October Temperature

Portage, Portage Glacier (30.4 miles)

  • Lowest 2 October, 2026

    30.9 °F

  • Average October

    40.9 °F

  • Highest 4 October, 2026

    48 °F

Climate (2021–2026)

Portage, Portage Glacier (30.4 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.2 °F

  • Average High 2021–2026

    43.9 °F
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