Culross Island Weather Forecast
- 28
- 37
Chance Snow Showers
- 24
- 30
Slight Chance Snow Showers
- 22
- 31
Mostly Sunny
- 28
- 32
Snow Likely
- 30
- 34
Rain/Snow Likely
- 30
- 34
Chance Rain/Snow
Today 20 Oct West Prince William Sound & Whittier
Mostly cloudy. A slight chance of rain in the Morning, then a chance of rain Showers in the afternoon. Highs in the mid 40s. West wind 15 to 30 Mph with Gusts to 65 Mph.
Tonight 20 Oct West Prince William Sound & Whittier
Mostly cloudy. A chance of rain Showers and snow Showers in the Evening, then a chance of snow and a slight chance of rain Showers after midnight. Lows in the mid 30s. West wind 10 to 20 Mph. Gusts to 45 Mph in the evening.
Culross Island Temperature Statistics
October Temperature
Portage, Portage Glacier (23 miles)
Lowest 18 October, 2026
28.9 °FAverage October
41.1 °FHighest 15 October, 2026
50 °F
Climate (2021–2026)
Portage, Portage Glacier (23 miles)
Average Low 2021–2026
32.3 °FAverage 2021–2026
38.3 °FAverage High 2021–2026
43.9 °F