Perry Island (South Bay) Weather Forecast

    • 49
    • 53

    Rain Showers

    • 51
    • 54

    Rain

    • 50
    • 54

    Rain

    • 49
    • 57

    Rain Likely

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    • 56

    Rain Likely

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    • 56

    Rain

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    • 57

    Rain Likely

Today 13 Sep West Prince William Sound & Whittier

Mostly cloudy with scattered rain Showers. Highs around 50. Variable wind 10 Mph.

Tonight 13 Sep West Prince William Sound & Whittier

Scattered Showers in the Evening, then widespread Showers after midnight. Lows in the 40s. North wind 15 Mph.

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  • Temperature Real-Time

Perry Island (South Bay) Temperature Statistics

September Temperature

Portage, Portage Glacier (31.1 miles)

  • Lowest 11 September, 2025

    48 °F

  • Average September

    53.7 °F

  • Highest 4 September, 2025

    64 °F

Climate (2020–Present)

Portage, Portage Glacier (31.1 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    39.4 °F

  • Average High 2020–2025

    44.9 °F
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