Decision Point State Marine Park Weather Forecast

    • 37
    • 42

    Rain/Snow

    • 40
    • 40

    Rain

    • 36
    • 41

    Rain

    • 39
    • 41

    Rain

    • 37
    • 43

    Rain/Snow

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    • 43

    Rain

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    • 42

    Rain

Today 21 Apr West Prince William Sound & Whittier

Partly cloudy. A slight chance of rain in the afternoon. Highs in the lower 40s. Variable wind 10 Mph with Gusts to 20 Mph.

Tonight 21 Apr West Prince William Sound & Whittier

Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain and snow after midnight. Lows in the mid 30s. Variable wind 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decision Point State Marine Park Temperature Statistics

April Temperature

Portage, Portage Glacier (12.4 miles)

  • Lowest 1 April, 2026

    3 °F

  • Average April

    34.5 °F

  • Highest 9 April, 2026

    46 °F

Climate (2021–Present)

Portage, Portage Glacier (12.4 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.2 °F

  • Average High 2021–2026

    43.8 °F
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