Decision Point State Marine Park Weather Forecast

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    Rain

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    Rain

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    Rain

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    • 62

    Chance Rain

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    Chance Rain Showers

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    Chance Rain Showers

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    Slight Chance Rain Showers

Today 3 Aug West Prince William Sound & Whittier

Rain. Highs in the mid 50s. Southeast wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 3 Aug West Prince William Sound & Whittier

Rain. Lows in the lower 50s. Southeast wind 10 to 15 Mph with Gusts to 25 Mph.

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Decision Point State Marine Park Temperature Statistics

August Temperature

Portage, Portage Glacier (12.4 miles)

  • Lowest 1 August, 2026

    46 °F

  • Average August

    59.9 °F

  • Highest 1 August, 2026

    73 °F

Climate (2021–2026)

Portage, Portage Glacier (12.4 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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