Perry Island Weather Forecast

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Today 17 May West Prince William Sound & Whittier

Rain. Highs in the mid 40s. Southeast wind 10 to 25 Mph with Gusts to 40 Mph.

Tonight 17 May West Prince William Sound & Whittier

Numerous rain Showers. Lows in the upper 30s. South wind 10 to 15 Mph with Gusts to 25 Mph.

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Perry Island Temperature Statistics

May Temperature

Portage, Portage Glacier (30.4 miles)

  • Lowest 9 May, 2026

    32 °F

  • Average May

    40.7 °F

  • Highest 14 May, 2026

    52 °F

Climate (2021–Present)

Portage, Portage Glacier (30.4 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.1 °F

  • Average High 2021–2026

    43.7 °F
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