Culross Island Weather Forecast

    • 36
    • 40

    Rain Likely

    • 31
    • 37

    Rain/Snow Likely

    • 18
    • 34

    Snow Likely

    • 14
    • 21

    Snow

    • 13
    • 20

    Snow Likely

    • 9
    • 17

    Snow Likely

    • 8
    • 12

    Chance Snow

Today 3 Dec West Prince William Sound & Whittier

Rain. Highs in the lower 40s. Variable wind 10 Mph.

Tonight 3 Dec West Prince William Sound & Whittier

Mostly cloudy with a chance of rain. Lows near 40. Light Winds.

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Culross Island Temperature Statistics

December Temperature

Portage, Portage Glacier (23 miles)

  • Lowest 1 December, 2025

    32 °F

  • Average December

    34.4 °F

  • Highest 1 December, 2025

    39.9 °F

Climate (2020–Present)

Portage, Portage Glacier (23 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    39.3 °F

  • Average High 2020–2025

    44.8 °F
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