Ketchikan Rainfall ForecastUnited StatesAKKetchikan Gateway BoroughKetchikanToday 19 Apr65%Sun 20 Apr5%Mon 21 Apr45%Tue 22 Apr50%Wed 23 Apr30%Thu 24 Apr25%Fri 25 Apr25%Ketchikan rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Biorka Island RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads