Harwell Rainfall ForecastUnited KingdomEMNottinghamshireHarwellToday 3 Jun90%Wed 4 Jun50%Thu 5 Jun80%Fri 6 Jun35%Sat 7 Jun65%Sun 8 Jun35%Mon 9 Jun10%Harwell rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Ingham (Lincolnshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads