Perry Island SPB Weather Forecast
- 52
- 59
Chance Rain
- 53
- 58
Rain
- 52
- 55
Rain
- 50
- 57
Rain Showers Likely
- 50
- 61
Rain Showers Likely
- 50
- 61
Chance Rain Showers
Today 5 Sep West Prince William Sound & Whittier
Mostly cloudy. A slight chance of rain in the morning. Highs in the upper 50s. Variable wind 10 Mph. Gusts to 20 Mph in the morning.
Tonight 5 Sep West Prince William Sound & Whittier
Mostly cloudy with a chance of rain. Lows in the lower 50s. Light Winds.
Perry Island SPB Temperature Statistics
September Temperature
Portage, Portage Glacier (31.1 miles)
Lowest 2 September, 2026
30.9 °FAverage September
49.4 °FHighest 3 September, 2026
66 °F
Climate (2021–2026)
Portage, Portage Glacier (31.1 miles)
Average Low 2021–2026
32.1 °FAverage 2021–2026
38.1 °FAverage High 2021–2026
43.7 °F