Penn Street Rainfall ForecastUnited KingdomSEBuckinghamshirePenn StreetToday 7 Jan55%Thu 8 Jan95%Fri 9 Jan65%Sat 10 Jan15%Sun 11 Jan25%Mon 12 Jan20%Tue 13 Jan45%Penn Street rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Chenies (Hertfordshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads