Smith Island Weather Forecast

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    • 60

    Rain Showers

    • 50
    • 57

    Rain

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    Chance Rain

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    • 53

    Chance Rain Showers

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    Rain Showers

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    Rain Showers

Today 20 Sep West Prince William Sound & Whittier

Showers. Highs in the mid 50s. North wind 10 to 25 Mph.

Tonight 20 Sep West Prince William Sound & Whittier

Showers likely. Lows in the mid 40s to lower 50s. Southwest wind 10 to 20 Mph. Gusts to 30 Mph.

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Smith Island Temperature Statistics

September Temperature

Portage, Portage Glacier (54.1 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    51.8 °F

  • Highest 11 September, 2026

    68 °F

Climate (2021–2026)

Portage, Portage Glacier (54.1 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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