Semilong Rainfall ForecastUnited KingdomEMNorthamptonshireSemilongToday 5 Jun90%Sat 6 Jun95%Sun 7 Jun45%Mon 8 Jun80%Tue 9 Jun45%Wed 10 Jun40%Thu 11 Jun50%Semilong rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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