Granite Bay State Marine Park Weather Forecast

    • 26
    • 36

    Chance Snow

    • 33
    • 38

    Snow Likely

    • 31
    • 39

    Chance Snow

    • 33
    • 37

    Rain

    • 35
    • 40

    Rain

    • 35
    • 40

    Rain

Today 13 Nov West Prince William Sound & Whittier

Mostly cloudy with a chance of snow Showers. Highs in the mid 30s. Variable wind 10 Mph.

Tonight 13 Nov West Prince William Sound & Whittier

Snow likely in the Evening, then snow Showers likely after midnight. Snow accumulation up to 1 inch. Lows in the 20s. Variable wind 10 Mph.

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  • Temperature Real-Time

Granite Bay State Marine Park Temperature Statistics

November Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 10 November, 2025

    19 °F

  • Average November

    32.4 °F

  • Highest 1 November, 2025

    44.1 °F

Climate (2020–Present)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2020–2025

    33.6 °F

  • Average 2020–2025

    39.4 °F

  • Average High 2020–2025

    45 °F
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