Perry Island Weather Forecast

    • 50
    • 60

    Mostly Sunny

    • 52
    • 60

    Partly Sunny

    • 52
    • 57

    Rain Showers Likely

    • 50
    • 54

    Rain Showers

    • 50
    • 55

    Rain Showers Likely

    • 49
    • 53

    Rain Showers Likely

Today 12 Sep West Prince William Sound & Whittier

Partly cloudy. A slight chance of rain in the morning. Highs in the upper 50s. Variable wind 10 Mph. Gusts to 20 Mph in the afternoon.

Tonight 12 Sep West Prince William Sound & Whittier

Mostly clear. Lows in the lower 50s. West wind 10 to 25 Mph.

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Perry Island Temperature Statistics

September Temperature

Portage, Portage Glacier (30.4 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    53 °F

  • Highest 3 September, 2026

    66 °F

Climate (2021–2026)

Portage, Portage Glacier (30.4 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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