Alyeska Weather Forecast

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    Rain

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    Rain Showers

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    Rain Showers

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    Chance Rain

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    Mostly Cloudy

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    Rain Showers

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    Rain Showers

Today 19 Sep East Turnagain Arm

Rain Showers. Highs in the upper 40s. East wind 15 Mph. Gusts to 25 Mph in the afternoon.

Tonight 19 Sep East Turnagain Arm

Rain Showers in the Evening, then rain after midnight. Lows in the upper 30s. Northeast wind 15 Mph.

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Alyeska Temperature Statistics

September Temperature

Portage, Portage Glacier (14.9 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    52.1 °F

  • Highest 11 September, 2026

    68 °F

Climate (2021–2026)

Portage, Portage Glacier (14.9 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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