Decision Point State Marine Park Weather Forecast

    • 23
    • 36

    Sunny

    • 26
    • 36

    Mostly Sunny

    • 31
    • 36

    Chance Snow

    • 31
    • 39

    Rain/Snow Likely

    • 30
    • 38

    Rain/Snow

    • 26
    • 37

    Rain/Snow Likely

Today 31 Mar West Prince William Sound & Whittier

Sunny. Highs in the upper 30s. North wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 31 Mar West Prince William Sound & Whittier

Clear. Lows in the mid 20s to lower 30s. Northwest wind 10 to 20 Mph with Gusts to 30 Mph.

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Decision Point State Marine Park Temperature Statistics

March Temperature

Portage, Portage Glacier (12.4 miles)

  • Lowest 2 March, 2026

    -11.9 °F

  • Average March

    13.9 °F

  • Highest 6 March, 2026

    37 °F

Climate (2021–Present)

Portage, Portage Glacier (12.4 miles)

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  • Average Low 2021–2026

    32.3 °F

  • Average 2021–2026

    38.2 °F

  • Average High 2021–2026

    43.7 °F
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