Green Island - Gibbon Anchorage Weather Forecast

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    Chance Rain

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    • 57

    Mostly Sunny

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    • 57

    Mostly Sunny

    • 53
    • 58

    Chance Rain Showers

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    Rain Showers Likely

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    Rain Showers Likely

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    Chance Rain Showers

Today 31 Aug West Prince William Sound & Whittier

Partly cloudy with scattered Showers. Highs in the lower 50s. Northwest wind 15 to 30 Mph with Gusts to 45 Mph.

Tonight 31 Aug West Prince William Sound & Whittier

Clear. Lows in the 40s. Northwest wind 15 to 30 Mph with Gusts to 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Island - Gibbon Anchorage Temperature Statistics

August Temperature

Portage, Portage Glacier (59 miles)

  • Lowest 27 August, 2026

    37 °F

  • Average August

    55.3 °F

  • Highest 14 August, 2026

    73.9 °F

Climate (2021–2026)

Portage, Portage Glacier (59 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.1 °F

  • Average High 2021–2026

    43.7 °F
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