South Esther Island State Marine Park Weather Forecast
- 54
- 62
Decreasing Clouds
- 54
- 66
Mostly Sunny
- 56
- 66
Partly Sunny
- 55
- 63
Cloudy
- 54
- 63
Chance Rain
- 55
- 65
Chance Rain
- 54
- 64
Chance Rain
Today 26 Jul West Prince William Sound & Whittier
Mostly cloudy with a chance of Showers. Highs in the upper 50s. Northwest wind 15 Mph.
Tonight 26 Jul West Prince William Sound & Whittier
Mostly cloudy in the evening then becoming mostly clear. Lows in the upper 40s to mid 50s. Variable wind 10 Mph in the evening becoming light.
South Esther Island State Marine Park Temperature Statistics
July Temperature
Portage, Portage Glacier (25.5 miles)
Lowest 4 July, 2025
39.7 °FAverage July
55.7 °FHighest 21 July, 2025
74.6 °F
Climate (2020–Present)
Portage, Portage Glacier (25.5 miles)
Average Low 2020–2025
33.3 °FAverage 2020–2025
39.1 °FAverage High 2020–2025
44.6 °F