Perry Island Weather Forecast

    • 52
    • 58

    Chance Rain

    • 52
    • 59

    Slight Chance Rain

    • 53
    • 61

    Mostly Cloudy

    • 53
    • 61

    Mostly Cloudy

    • 54
    • 60

    Mostly Cloudy

    • 54
    • 61

    Mostly Cloudy

    • 54
    • 61

    Chance Rain

Today 5 Aug West Prince William Sound & Whittier

Rain likely in the Morning, then a chance of rain in the afternoon. Highs in the mid 50s. Variable wind 10 Mph.

Tonight 5 Aug West Prince William Sound & Whittier

Cloudy with a chance of rain. Lows around 50. Variable wind 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Perry Island Temperature Statistics

August Temperature

Portage, Portage Glacier (30.4 miles)

  • Lowest 1 August, 2026

    46 °F

  • Average August

    57.1 °F

  • Highest 1 August, 2026

    73 °F

Climate (2021–2026)

Portage, Portage Glacier (30.4 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    38.1 °F

  • Average High 2021–2026

    43.7 °F
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