Culross Island Weather Forecast

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    Slight Chance Rain/Snow

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    Rain/Snow Likely

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    Slight Chance Rain/Snow

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    Rain/Snow Likely

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    Rain/Snow Likely

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    Chance Rain/Snow

Today 18 Oct West Prince William Sound & Whittier

Partly sunny with a chance of rain Showers in the Morning, then sunny in the afternoon. Highs in the lower 40s. Northwest wind 10 to 25 Mph with Gusts to 40 Mph.

Tonight 18 Oct West Prince William Sound & Whittier

Mostly clear. Lows in the 30s. Northwest wind 10 to 25 Mph.

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Culross Island Temperature Statistics

October Temperature

Portage, Portage Glacier (23 miles)

  • Lowest 10 October, 2025

    30.9 °F

  • Average October

    44.4 °F

  • Highest 5 October, 2025

    53.1 °F

Climate (2020–Present)

Portage, Portage Glacier (23 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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