South Esther Island State Marine Park Weather Forecast

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    • 52

    Rain

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    • 48

    Rain

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    • 47

    Rain

    • 42
    • 50

    Chance Rain

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    • 49

    Chance Rain

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    • 49

    Rain Likely

Today 28 May West Prince William Sound & Whittier

Mostly sunny in the Morning, then rain in the afternoon. Highs in the lower 50s. North wind 10 to 20 Mph. Gusts to 30 Mph in the afternoon.

Tonight 28 May West Prince William Sound & Whittier

Rain. Rain may be heavy at Times in the evening. Lows in the lower 40s. East wind 15 to 30 Mph with Gusts to 40 Mph.

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South Esther Island State Marine Park Temperature Statistics

May Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 9 May, 2025

    28.9 °F

  • Average May

    44.2 °F

  • Highest 23 May, 2025

    63.6 °F

Climate (2020–Present)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    39.1 °F

  • Average High 2020–2025

    44.7 °F
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