Perry Island Weather Forecast

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    • 56

    Rain

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    • 58

    Rain

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    • 56

    Rain Showers

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    • 55

    Rain Showers

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    • 60

    Chance Rain Showers

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    Mostly Cloudy

Today 19 Aug West Prince William Sound & Whittier

Cloudy with a chance of rain. Highs in the mid 50s. Variable wind 10 Mph. Gusts to 25 Mph in the afternoon.

Tonight 19 Aug West Prince William Sound & Whittier

Rain. Lows in the lower 50s. Northeast wind 10 to 20 Mph with Gusts to 30 Mph.

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Perry Island Temperature Statistics

August Temperature

Portage, Portage Glacier (30.4 miles)

  • Lowest 8 August, 2026

    42.1 °F

  • Average August

    57.1 °F

  • Highest 14 August, 2026

    73.9 °F

Climate (2021–2026)

Portage, Portage Glacier (30.4 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.1 °F

  • Average High 2021–2026

    43.7 °F
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