Tucson International Airport Rainfall ForecastUnited StatesAZPima CountyTucson International AirportToday 16 AprNo RainThu 17 AprNo RainFri 18 Apr10%Sat 19 Apr15%Sun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainTucson International Airport rainfall forecast issued today at 9:04 am. Next forecast at approx. 11:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Tucson RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads