10-Night Cruise on Carnival LuminosaAlaska Inside Passage & Glacier - Weather

The Carnival Luminosa sails a 10-night Alaska Inside Passage & Glacier itinerary with Carnival Cruises, departing San Francisco, California on May 17, 2027. It's a classic Alaska cruise. Travelers sailing in May 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 San Francisco, California, Juneau, Alaska, Skagway, Alaska, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Monday, May 17, 2027 — San Francisco, California

   San Francisco, California is a scheduled port of call on day 1 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 67°F.

2. Day 2 — Thursday, May 20, 2027 — Juneau, Alaska

   Juneau, Alaska is a scheduled port of call on day 2 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 58°F.

3. Day 3 — Friday, May 21, 2027 — Skagway, Alaska

   Skagway, Alaska is a scheduled port of call on day 3 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 49°F.

4. Day 4 — Saturday, May 22, 2027 — Tracy Arm/Endicott Arm, Alaska

   Tracy Arm/Endicott Arm, Alaska is a scheduled port of call on day 4 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 55°F.

5. Day 5 — Sunday, May 23, 2027 — Ketchikan, Alaska

   Ketchikan, Alaska is a scheduled port of call on day 5 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 53°F.

6. Day 6 — Monday, May 24, 2027 — Prince Rupert, British Columbia

   Prince Rupert, British Columbia is a scheduled port of call on day 6 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 57°F.

7. Day 7 — Thursday, May 27, 2027 — San Francisco, California

   San Francisco, California is a scheduled port of call on day 7 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 67°F.