Setting sail
Hang tight. We're checking the weather.
Setting sail
Hang tight. We're checking the weather.
United States · Ships call at Seattle, Washington
Warm and dry
Seattle in August offers pleasant temperatures, with highs around 76°F and comfortable lows near 54°F. Rain is uncommon, with only about 1 rainy days expected across the month, ideal for beach days and shore excursions. Warm and dry.
This is one of the most popular months to visit Seattle, so book shore excursions early. The top snorkeling spots and tours sell out fast. Lightweight layers work well: a light cardigan for evenings on deck and breathable tops for port days cover most conditions.
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Sailings that are at sea during August, with the date each one leaves port.
Alaska Round-Trip Seattle: Skagway, Juneau, Ketchikan & Victoria
NCL Cruises
Sails Jul 25, 2027
Alaska Explorer
HAL Cruises
Sails Jul 25, 2027
Inside Passage (Roundtrip Seattle)
Princess Cruises
Sails Jul 25, 2027
Alaska
MSC Cruises
Sails Jul 26, 2027
Alaska Adventure Cruise
Royal Caribbean Cruises
Sails Jul 26, 2027
Alaska Inside Passage & Glacier
Carnival Cruises
Sails Jul 27, 2027
Most Seattle cruises leave from Smith Cove, Pier 91, a few miles north of downtown, and some use Pier 66 on the downtown waterfront. Sea-Tac Airport is 30 to 45 minutes away by car. The Link light rail runs from the airport to downtown, but not to Pier 91.
The average high temperature in Seattle during August is 76°F, with a low of 54°F.
Seattle typically sees 1 days of rain in August. Warm and dry.
For a August cruise to Seattle, you should pack lightweight, breathable clothing, swimwear, and sun protection.