Granite Bay State Marine Park Weather Forecast

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    Rain Showers

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    Rain Likely

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    Rain

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    Rain

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    Rain

Today 1 Oct West Prince William Sound & Whittier

Mostly cloudy with a chance of rain. Highs in the upper 40s.

Tonight 1 Oct West Prince William Sound & Whittier

Numerous snow Showers and a slight chance of rain Showers in the Evening, then mostly clear with a chance of rain Showers and snow Showers after midnight. No snow accumulation. Lows in the mid 30s to lower 40s. Variable wind 10 Mph.

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Granite Bay State Marine Park Temperature Statistics

October Temperature

Portage, Portage Glacier (25.5 miles)

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Climate (2021–2026)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.2 °F

  • Average High 2021–2026

    43.8 °F
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