Weekly Weather Report for gru, So PauloGuarulhos International Airport, So Paulo, Brazil. Looking at the weather in gru, So PauloGuarulhos International Airport, So Paulo, Brazil over the next 7 days, the maximum temperature will be 33℃ (or 91℉) on Wednesday 30th August at around 4 pm. In the same week the minimum temperature will be 15℃ (or 59℉) on Friday 25th August at around 4 am.