Green Island - Gibbon Anchorage Weather Forecast

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    Rain

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    Rain Showers

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    Rain

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    Rain Likely

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    Rain Likely

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    Rain Likely

Today 19 Oct West Prince William Sound & Whittier

Partly cloudy in the Morning, then rain in the afternoon. Highs in the mid 40s. Northeast wind 15 Mph. Gusts to 25 Mph in the afternoon.

Tonight 19 Oct West Prince William Sound & Whittier

Rain. Rain may be heavy at Times in the evening. Lows around 40. Northeast wind 10 to 25 Mph with Gusts to 35 Mph.

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Green Island - Gibbon Anchorage Temperature Statistics

October Temperature

Portage, Portage Glacier (59 miles)

  • Lowest 10 October, 2025

    30.9 °F

  • Average October

    44.3 °F

  • Highest 5 October, 2025

    53.1 °F

Climate (2020–Present)

Portage, Portage Glacier (59 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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