Barnwell Rainfall ForecastUnited KingdomEMNorthamptonshireBarnwellToday 14 May95%Wed 15 May85%Thu 16 May20%Fri 17 May20%Sat 18 May35%Sun 19 May10%Barnwell rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Chenies (Hertfordshire) RadarNational SatelliteNational SynopticGet an account to remove ads