The temperatures in Ketchikan in October are quite cold with temperatures between 5°C and 9°C, warm clothes are a must.
There’s going to be many days of rain during the month of October in Ketchikan.
Ketchikan should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Ketchikan in October 2025.
If you’re planning to visit Ketchikan in the near future, we highly recommend that you review the 14 day weather forecast for Ketchikan before you arrive.