Granite Bay State Marine Park Weather Forecast

    • 38
    • 41

    Rain Showers

    • 33
    • 42

    Rain

    • 33
    • 39

    Rain/Snow Likely

    • 35
    • 39

    Rain/Snow

    • 34
    • 40

    Rain

    • 32
    • 38

    Rain/Snow Likely

Today 15 Nov West Prince William Sound & Whittier

Rain and snow in the Morning, then rain in the afternoon. Snow accumulation up to 5 Inches. Highs near 40. North wind 10 to 25 Mph with Gusts to 35 Mph.

Tonight 15 Nov West Prince William Sound & Whittier

Rain Showers. Lows in the upper 30s. East wind 10 to 25 Mph with Gusts to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Granite Bay State Marine Park Temperature Statistics

November Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 7 November, 2026

    26.1 °F

  • Average November

    36.8 °F

  • Highest 4 November, 2026

    46 °F

Climate (2021–2026)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2021–2026

    32.3 °F

  • Average 2021–2026

    38.3 °F

  • Average High 2021–2026

    43.9 °F
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