Summer Summers rage in temperature from the mid 50's to the high 70's and even as high as 80. A wind breaker, rain coat and sweater are recommended. The falls can be one of the most unpredictable seasons. Sunny days that reach the mid 70's one day and 80mph driving rain the next. Winter Winters in Ketchikan are mild compared to the majority of the state with temperatures in the 30's and 40's.
Snow is usually light in the lower elevations and rain is the norm.