Decision Point State Marine Park Weather Forecast

    • 12
    • 27

    Windy

    • 4
    • 19

    Windy

    • 9
    • 18

    Mostly Sunny

    • 20
    • 27

    Partly Sunny

    • 23
    • 34

    Mostly Cloudy

    • 21
    • 32

    Chance Snow

Today 19 Feb West Prince William Sound & Whittier

Sunny. Areas of blowing snow. Highs in the upper 20s to mid 30s. Northwest wind 15 to 30 Mph with Gusts to 45 Mph increasing to 30 to 45 Mph with Gusts to 65 Mph in the afternoon.

Tonight 19 Feb West Prince William Sound & Whittier

Clear. Areas of blowing snow. Lows 15 to 23. Northwest wind 30 to 45 Mph with Gusts to 65 Mph.

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Decision Point State Marine Park Temperature Statistics

February Temperature

Portage, Portage Glacier (12.4 miles)

  • Lowest 17 February, 2026

    10.9 °F

  • Average February

    31.7 °F

  • Highest 3 February, 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

    38.5 °F

  • Average High 2021–2026

    44.1 °F
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