Smith Island Weather Forecast
- 42
- 45
Rain Showers
- 45
- 46
Rain Showers
- 42
- 46
Rain
- 38
- 44
Rain
- 38
- 43
Slight Chance Rain
- 39
- 44
Rain Likely
Today 18 Oct West Prince William Sound & Whittier
Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 40s. Northeast wind 10 to 15 Mph with Gusts to 25 Mph.
Tonight 18 Oct West Prince William Sound & Whittier
A chance of rain Showers in the Evening, then rain Showers after midnight. Locally heavy rainfall possible after midnight. Lows in the mid 30s to lower 40s. East wind 15 Mph. Gusts to 30 Mph.
Smith Island Temperature Statistics
October Temperature
Portage, Portage Glacier (54.1 miles)
Lowest 2 October, 2026
30.9 °FAverage October
41.6 °FHighest 15 October, 2026
50 °F
Climate (2021–2026)
Portage, Portage Glacier (54.1 miles)
Average Low 2021–2026
32.3 °FAverage 2021–2026
38.3 °FAverage High 2021–2026
43.9 °F