Perry Island Weather Forecast
- 53
- 61
Partly Sunny
- 56
- 64
Partly Sunny
- 56
- 68
Partly Sunny
- 55
- 64
Mostly Cloudy
- 55
- 60
Rain Showers Likely
- 54
- 60
Rain Showers Likely
Today 12 Aug West Prince William Sound & Whittier
Mostly cloudy with scattered Showers. Haze. Highs around 60. Light Winds becoming variable 10 Mph in the afternoon.
Tonight 12 Aug West Prince William Sound & Whittier
Mostly cloudy. Lows in the lower 50s. Variable wind 10 Mph in the evening becoming light.
Perry Island Temperature Statistics
August Temperature
Portage, Portage Glacier (30.4 miles)
Lowest 8 August, 2026
42.1 °FAverage August
56.4 °FHighest 1 August, 2026
73 °F
Climate (2021–2026)
Portage, Portage Glacier (30.4 miles)
Average Low 2021–2026
32.1 °FAverage 2021–2026
38.1 °FAverage High 2021–2026
43.7 °F