To ask for a weather forecast in Engpsh in Brazil, you can say: "What is the weather forecast for today/tomorrow?" or "Do you have the weather forecast for today/tomorrow?"

You can also ask more specific questions, such as: "Is it going to rain today/tomorrow?" or "What is the temperature going to be pke today/tomorrow?"

It's important to note that weather forecasts in Brazil are usually given in Portuguese, as it is the official language of the country. However, many people in Brazil also speak Engpsh, so you should be able to get a weather forecast in Engpsh if you ask someone who is fluent in both languages.