7-Night Cruise on Royal PrincessInside Passage (with Glacier Bay National Park) - Weather

Departing Seattle, Washington on August 29, 2026, the Princess Cruises ship Royal Princess runs this 7-night Inside Passage (with Glacier Bay National Park) 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 Seattle, Washington, Juneau, Alaska, Skagway, Alaska, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Saturday, Aug 29, 2026 — Seattle, Washington

   Seattle, Washington is a scheduled port of call on day 1 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess. Expected weather: partially cloudy with highs near 74°F.

2. Day 2 — Monday, Aug 31, 2026 — Juneau, Alaska

   Juneau, Alaska is a scheduled port of call on day 2 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess. Expected weather: partially cloudy with highs near 63°F.

3. Day 3 — Tuesday, Sep 1, 2026 — Skagway, Alaska

   Skagway, Alaska is a scheduled port of call on day 3 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess. Expected weather: partially cloudy with highs near 56°F.

4. Day 4 — Wednesday, Sep 2, 2026 — Glacier Bay, Alaska

   Glacier Bay, Alaska is a scheduled port of call on day 4 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess. Expected weather: partially cloudy with highs near 57°F.

5. Day 5 — Thursday, Sep 3, 2026 — Ketchikan, Alaska

   Ketchikan, Alaska is a scheduled port of call on day 5 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess. Expected weather: partially cloudy with highs near 59°F.

6. Day 6 — Friday, Sep 4, 2026 — Victoria, British Columbia

   Victoria, British Columbia is a scheduled port of call on day 6 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess. Expected weather: partially cloudy with highs near 60°F.

7. Day 7 — Saturday, Sep 5, 2026 — Seattle, Washington

   Seattle, Washington is a scheduled port of call on day 7 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess. Expected weather: partially cloudy with highs near 73°F.