Knapp Rainfall ForecastUnited KingdomSWSomersetKnappToday 26 Aug55%Wed 27 Aug70%Thu 28 Aug65%Fri 29 Aug40%Sat 30 Aug50%Sun 31 Aug35%Mon 1 Sep35%Knapp rainfall forecast issued today at 1:39 pm. Next forecast at approx. 3:39 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads