Perry Island Weather Forecast

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    • 58

    Chance Rain

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    • 55

    Rain

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    Rain

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    Rain Showers Likely

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    Rain Showers Likely

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    Chance Rain Showers

Today 5 Sep West Prince William Sound & Whittier

Mostly cloudy with a chance of rain. Highs in the mid 50s. Variable wind 10 Mph. Gusts to 20 Mph in the morning.

Tonight 5 Sep West Prince William Sound & Whittier

Cloudy with a chance of rain. Lows in the lower 50s. Light Winds.

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Perry Island Temperature Statistics

September Temperature

Portage, Portage Glacier (30.4 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    49.2 °F

  • Highest 2 September, 2026

    64.9 °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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