Granite Bay State Marine Park Weather Forecast

    • 29
    • 38

    Rain Showers

    • 31
    • 32

    Chance Snow

    • 35
    • 37

    Rain/Snow

    • 33
    • 41

    Rain

    • 31
    • 37

    Rain/Snow

    • 31
    • 36

    Rain/Snow

    • 28
    • 35

    Chance Rain/Snow

Today 7 Nov West Prince William Sound & Whittier

Rain Showers and snow in the Morning, then rain Showers likely in the afternoon. Snow accumulation up to 1 inch. Highs in the lower 40s. East wind 15 Mph with Gusts to 25 Mph.

Tonight 7 Nov West Prince William Sound & Whittier

Snow Showers likely and a chance of rain Showers in the evening. Snow accumulation up to 1 inch. Lows in the 30s. Light Winds becoming variable 10 Mph after midnight.

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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 5 November, 2026

    33.1 °F

  • Average November

    39.6 °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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