7-Night Cruise on Island PrincessVoyage of the Glaciers with Glacier Bay (Southbound) - Weather

Departing Whittier, Alaska on August 26, 2026, the Princess Cruises ship Island Princess runs this 7-night Voyage of the Glaciers with Glacier Bay (Southbound) sailing. It's a classic Alaska cruise. Travelers sailing in August can generally expect cool days, crisp nights, and long hours of daylight typical of the Alaska cruise season — with rain never far off. Ports of call include Whittier, Alaska, Hubbard Glacier, Alaska, Glacier Bay, Alaska, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Wednesday, Aug 26, 2026 — Whittier, Alaska

   Whittier, Alaska is a scheduled port of call on day 1 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 58°F.

2. Day 2 — Thursday, Aug 27, 2026 — Hubbard Glacier, Alaska

   Hubbard Glacier, Alaska is a scheduled port of call on day 2 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 47°F.

3. Day 3 — Friday, Aug 28, 2026 — Glacier Bay, Alaska

   Glacier Bay, Alaska is a scheduled port of call on day 3 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 58°F.

4. Day 4 — Saturday, Aug 29, 2026 — Skagway, Alaska

   Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 56°F.

5. Day 5 — Sunday, Aug 30, 2026 — Juneau, Alaska

   Juneau, Alaska is a scheduled port of call on day 5 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 63°F.

6. Day 6 — Monday, Aug 31, 2026 — Ketchikan, Alaska

   Ketchikan, Alaska is a scheduled port of call on day 6 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 59°F.

7. Day 7 — Wednesday, Sep 2, 2026 — Vancouver, Canada

   Vancouver, Canada is a scheduled port of call on day 7 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 74°F.