Smith Island Weather Forecast

    • 53
    • 57

    Partly Sunny

    • 53
    • 56

    Rain Likely

    • 52
    • 56

    Rain

    • 52
    • 56

    Rain Showers Likely

    • 51
    • 55

    Rain Showers Likely

    • 50
    • 55

    Rain Showers Likely

Today 13 Sep West Prince William Sound & Whittier

Mostly sunny in the morning then becoming partly cloudy. Highs in the upper 50s. West wind 10 to 20 Mph shifting to the north in the afternoon. Gusts to 30 Mph.

Tonight 13 Sep West Prince William Sound & Whittier

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 50s. West wind 15 Mph with Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smith Island Temperature Statistics

September Temperature

Portage, Portage Glacier (54.1 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    53.2 °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

    38.1 °F

  • Average High 2021–2026

    43.8 °F
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