Alyeska Weather Forecast

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    Rain Showers

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    • 61

    Rain Showers

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    Rain

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    Rain Likely

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    Chance Rain

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    Chance Rain

Today 16 Sep East Turnagain Arm

Widespread rain Showers. Locally heavy rainfall possible in the morning. Highs in the 40s to mid 50s. East wind 25 to 40 Mph.

Tonight 16 Sep East Turnagain Arm

Mostly cloudy with scattered rain Showers in the Evening, then partly cloudy after midnight. Lows in the lower 40s. Northeast wind 10 to 25 Mph with Gusts to 35 Mph in the evening becoming light.

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Alyeska Temperature Statistics

September Temperature

Portage, Portage Glacier (14.9 miles)

  • Lowest 12 September, 2025

    44.1 °F

  • Average September

    52.5 °F

  • Highest 4 September, 2025

    64 °F

Climate (2020–Present)

Portage, Portage Glacier (14.9 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    39.4 °F

  • Average High 2020–2025

    45 °F
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