Perry Island Weather Forecast
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Rain
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Rain
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Rain
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Rain Showers
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Rain Showers
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Rain Showers Likely
Today 15 Aug West Prince William Sound & Whittier
Mostly cloudy with a chance of rain. Highs in the upper 50s. Variable wind 10 Mph. Gusts to 20 Mph in the morning.
Tonight 15 Aug West Prince William Sound & Whittier
Rain. Lows in the lower 50s. Southeast wind 15 Mph with Gusts to 25 Mph.
Perry Island Temperature Statistics
August Temperature
Portage, Portage Glacier (30.4 miles)
Lowest 8 August, 2026
42.1 °FAverage August
56.6 °FHighest 1 August, 2026
73 °F
Climate (2021–2026)
Portage, Portage Glacier (30.4 miles)
Average Low 2021–2026
32.2 °FAverage 2021–2026
38.1 °FAverage High 2021–2026
43.7 °F