Princeton Municipal Airport Rainfall ForecastUnited StatesMEWashington CountyPrinceton Municipal AirportToday 19 Apr80%Sun 20 Apr20%Mon 21 Apr5%Tue 22 Apr70%Wed 23 Apr40%Thu 24 Apr15%Fri 25 Apr20%Princeton Municipal Airport rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Caribou RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads