Granite Bay State Marine Park Weather Forecast

    • 36
    • 40

    Mostly Cloudy

    • 37
    • 40

    Rain

    • 29
    • 39

    Rain

    • 29
    • 35

    Rain/Snow Likely

    • 32
    • 38

    Rain/Snow Likely

    • 32
    • 38

    Rain/Snow Likely

    • 32
    • 37

    Rain/Snow Likely

Today 5 Nov West Prince William Sound & Whittier

Rain and a slight chance of snow. Lows in the mid 30s. Highs around 40.

Tonight 5 Nov West Prince William Sound & Whittier

Mostly cloudy with a slight chance of rain. Lows in the 30s to lower 40s. Northwest wind 15 to 30 Mph.

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Granite Bay State Marine Park Temperature Statistics

November Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 1 November, 2026

    36 °F

  • Average November

    39.5 °F

  • Highest 3 November, 2026

    43 °F

Climate (2021–2026)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.3 °F

  • Average High 2021–2026

    43.9 °F
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