Grafton Regis Rainfall ForecastUnited KingdomEMNorthamptonshireGrafton RegisToday 21 Jul10%Wed 22 Jul5%Thu 23 Jul15%Fri 24 Jul5%Sat 25 Jul15%Sun 26 Jul15%Mon 27 Jul5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Grafton Regis rainfall forecast issued today at 3:15 pm. Next forecast at approx. . Rainfall Rainfall AccumulationChenies (Hertfordshire) RadarGet WillyWeather+ to remove ads