South Esther Island State Marine Park Weather Forecast

    • 14
    • 22

    Decreasing Clouds

    • 24
    • 31

    Rain/Snow

    • 26
    • 33

    Rain/Snow Likely

    • 18
    • 29

    Chance Snow

    • 17
    • 22

    Chance Snow

    • 19
    • 23

    Mostly Cloudy

Today 28 Dec West Prince William Sound & Whittier

Partly cloudy. A slight chance of snow in the morning. Highs in the 20s. Northwest wind 10 to 25 Mph with Gusts to 35 Mph.

Tonight 28 Dec West Prince William Sound & Whittier

Mostly cloudy with a chance of snow. Lows 16 to 24. North wind 15 to 30 Mph.

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South Esther Island State Marine Park Temperature Statistics

December Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 22 December, 2025

    -11.9 °F

  • Average December

    11.4 °F

  • Highest 2 December, 2025

    41 °F

Climate (2021–Present)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2021–2025

    33 °F

  • Average 2021–2025

    38.9 °F

  • Average High 2021–2025

    44.4 °F
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