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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Seward, Alaska on August 21, 2026, the Celebrity Cruises ship Celebrity Summit runs this 7-night Alaska Southbound Glacier 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 Seward, Alaska, Hubbard Glacier, Alaska, Juneau, Alaska, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Seward, Alaska is a scheduled port of call on day 1 of the 7-night Alaska Southbound Glacier cruise on Celebrity Summit. Expected weather: partially cloudy with highs near 61°F.
Hubbard Glacier, Alaska is a scheduled port of call on day 2 of the 7-night Alaska Southbound Glacier cruise on Celebrity Summit. Expected weather: partially cloudy with highs near 48°F.
Juneau, Alaska is a scheduled port of call on day 3 of the 7-night Alaska Southbound Glacier cruise on Celebrity Summit. Expected weather: partially cloudy with highs near 64°F.
Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Alaska Southbound Glacier cruise on Celebrity Summit. Expected weather: partially cloudy with highs near 57°F.
Icy Strait Point, Alaska is a scheduled port of call on day 5 of the 7-night Alaska Southbound Glacier cruise on Celebrity Summit. Expected weather: partially cloudy with highs near 57°F.
Ketchikan, Alaska is a scheduled port of call on day 6 of the 7-night Alaska Southbound Glacier cruise on Celebrity Summit. Expected weather: partially cloudy with highs near 60°F.
Vancouver, Canada is a scheduled port of call on day 7 of the 7-night Alaska Southbound Glacier cruise on Celebrity Summit. Expected weather: partially cloudy with highs near 74°F.
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