Penn Street Rainfall ForecastUnited KingdomSEBuckinghamshirePenn StreetToday 5 Nov50%Thu 6 Nov50%Fri 7 Nov50%Sat 8 Nov15%Sun 9 Nov15%Mon 10 Nov50%Tue 11 Nov10%Penn Street rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.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