South Esther Island State Marine Park Weather Forecast

    • 16
    • 19

    Sunny

    • 18
    • 28

    Mostly Sunny

    • 24
    • 33

    Mostly Sunny

    • 25
    • 31

    Partly Sunny

    • 26
    • 32

    Mostly Sunny

    • 27
    • 32

    Mostly Sunny

Today 30 Jan Western Prince William Sound

Sunny. Highs zero to 10 above. Coolest inland. Northwest wind 15 to 30 Mph with Gusts to 50 Mph.

Tonight 30 Jan Western Prince William Sound

Clear. Lows 10 below to 5 above. Coolest inland. Northwest wind 10 to 25 Mph. Gusts to 45 Mph decreasing to 35 Mph after midnight.

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South Esther Island State Marine Park Temperature Statistics

January Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 4 January, 2025

    10.9 °F

  • Average January

    33 °F

  • Highest 6 January, 2025

    44.7 °F

Climate (2020–Present)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    38.8 °F

  • Average High 2020–2025

    44.5 °F
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