Perry Island Weather Forecast

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    • 59

    Mostly Sunny

    • 53
    • 62

    Partly Sunny

    • 53
    • 61

    Partly Sunny

    • 54
    • 60

    Mostly Cloudy

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    • 60

    Mostly Cloudy

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    • 60

    Chance Rain Showers

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    Chance Rain Showers

Today 6 Aug West Prince William Sound & Whittier

Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 50s. Variable wind 10 Mph.

Tonight 6 Aug West Prince William Sound & Whittier

Partly cloudy. Lows in the lower 50s. Southwest wind 15 Mph. Gusts to 25 Mph after midnight.

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Perry Island Temperature Statistics

August Temperature

Portage, Portage Glacier (30.4 miles)

  • Lowest 1 August, 2026

    46 °F

  • Average August

    56.7 °F

  • Highest 1 August, 2026

    73 °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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