Perry Island Weather Forecast
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Rain Likely
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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 18 Aug West Prince William Sound & Whittier
Mostly cloudy. A slight chance of rain in the Morning, then scattered Showers in the afternoon. Highs in the mid 50s. Variable wind 10 Mph.
Tonight 18 Aug West Prince William Sound & Whittier
Mostly cloudy. Scattered Showers in the Evening, then a chance of rain after midnight. Lows in the lower 50s. Variable wind 10 Mph.
Perry Island Temperature Statistics
August Temperature
Portage, Portage Glacier (30.4 miles)
Lowest 8 August, 2026
42.1 °FAverage August
57.2 °FHighest 14 August, 2026
73.9 °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