Bay of Isles - South Arm Weather Forecast
- 18
- 20
Snow
- 24
- 28
Snow Likely
- 14
- 29
Snow Likely
- 9
- 22
Chance Snow
- 15
- 22
Cloudy
- 26
- 31
Snow Likely
- 23
- 32
Snow Likely
Today 4 Jan West Prince William Sound & Whittier
Mostly sunny. Highs 17 to 29. North wind 10 to 25 Mph. Gusts to 35 Mph decreasing to 25 Mph in the afternoon.
Tonight 4 Jan West Prince William Sound & Whittier
Snow. Areas of blowing snow after midnight. Snow accumulation 3 to 9 Inches. Lows 13 to 26. Northeast wind 10 to 15 Mph with Gusts to 25 Mph increasing to 15 to 30 Mph with Gusts to 50 Mph after midnight.
Bay of Isles - South Arm Temperature Statistics
January Temperature
Portage, Portage Glacier (47.8 miles)
Lowest 1 January, 2026
-2 °FAverage January
1.8 °FHighest 1 January, 2026
6.1 °F
Climate (2021–Present)
Portage, Portage Glacier (47.8 miles)
Average Low 2021–2026
32.9 °FAverage 2021–2026
38.8 °FAverage High 2021–2026
44.3 °F