Green Island - Gibbon Anchorage Weather Forecast

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    • 55

    Rain Showers Likely

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    • 54

    Chance Rain Showers

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    • 55

    Rain Showers

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    • 53

    Rain Showers

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    • 53

    Rain Showers

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    Rain Showers

Today 22 Sep West Prince William Sound & Whittier

Rain Showers likely in the Morning, then partly cloudy with a slight chance of rain Showers in the afternoon. Highs in the lower 50s. North wind 15 Mph.

Tonight 22 Sep West Prince William Sound & Whittier

Mostly clear. Lows in the 40s. Northwest wind 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Island - Gibbon Anchorage Temperature Statistics

September Temperature

Portage, Portage Glacier (59 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    51.5 °F

  • Highest 11 September, 2026

    68 °F

Climate (2021–2026)

Portage, Portage Glacier (59 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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