Decision Point State Marine Park Weather Forecast

    • 29
    • 30

    Snow

    • 22
    • 38

    Rain/Snow

    • 15
    • 28

    Snow Likely

    • 9
    • 24

    Chance Snow

    • 6
    • 21

    Blustery

    • 7
    • 19

    Mostly Cloudy

Today 5 Mar West Prince William Sound & Whittier

A chance of snow in the Morning, then snow in the afternoon. Snow accumulation up to 1 inch. Highs in the lower 30s. Northeast wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 5 Mar West Prince William Sound & Whittier

A chance of snow in the Evening, then snow and rain after midnight. Precipitation may be heavy at Times after midnight. Snow accumulation up to 9 Inches. Snow level 200 feet. Lows around 30. Northeast 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

    -1.4 °F

  • Highest 2 March, 2026

    10.9 °F

Climate (2021–Present)

Portage, Portage Glacier (12.4 miles)

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  • Average Low 2021–2026

    32.5 °F

  • Average 2021–2026

    38.3 °F

  • Average High 2021–2026

    43.9 °F
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