Barnwell Rainfall ForecastUnited KingdomEMNorthamptonshireBarnwellToday 21 Jan95%Thu 22 Jan85%Fri 23 Jan55%Sat 24 Jan40%Sun 25 Jan50%Mon 26 Jan80%Tue 27 Jan75%Barnwell rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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