Caswell Rainfall ForecastUnited KingdomEMNorthamptonshireCaswellToday 16 May85%Sun 17 May75%Mon 18 May85%Tue 19 May90%Wed 20 May40%Thu 21 May10%Fri 22 May5%Caswell rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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