Decision Point State Marine Park Weather Forecast

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    • 38

    Rain Showers Likely

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain

Today 28 Oct West Prince William Sound & Whittier

Rain and widespread snow Showers in the Morning, then widespread rain Showers and snow Showers likely in the afternoon. Precipitation may be heavy at Times in the morning. Snow accumulation up to 7 Inches. Highs in the mid 30s to lower 40s. East wind 10 to 15 Mph.

Tonight 28 Oct West Prince William Sound & Whittier

Mostly cloudy. A chance of rain Showers and snow Showers in the evening. Lows in the 20s to upper 30s. Variable wind 10 Mph.

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Decision Point State Marine Park Temperature Statistics

October Temperature

Portage, Portage Glacier (12.4 miles)

  • Lowest 19 October, 2025

    27 °F

  • Average October

    42.3 °F

  • Highest 5 October, 2025

    53.1 °F

Climate (2020–Present)

Portage, Portage Glacier (12.4 miles)

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  • Average Low 2020–2025

    33.6 °F

  • Average 2020–2025

    39.4 °F

  • Average High 2020–2025

    45 °F
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