Decision Point State Marine Park Weather Forecast

    • 33
    • 38

    Rain

    • 31
    • 38

    Rain Showers

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    • 38

    Rain

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    • 40

    Rain

    • 38
    • 42

    Rain

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    • 42

    Rain

Today 30 Jan West Prince William Sound & Whittier

Rain. Highs around 40. Northeast wind 15 Mph. Gusts to 25 Mph in the morning.

Tonight 30 Jan West Prince William Sound & Whittier

Rain in the Evening, then rain and snow after midnight. Snow accumulation up to 2 Inches. Lows in the mid 30s. Light Winds becoming variable 10 Mph with Gusts to 20 Mph after midnight.

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Decision Point State Marine Park Temperature Statistics

January Temperature

Portage, Portage Glacier (12.4 miles)

  • Lowest 8 January, 2026

    -4 °F

  • Average January

    21.1 °F

  • Highest 18 January, 2026

    45 °F

Climate (2021–Present)

Portage, Portage Glacier (12.4 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    38.6 °F

  • Average High 2021–2026

    44.1 °F
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