You can forecast cashflow in Xero in a limited way. Xero has a basic cashflow forecasting tool called the Short-term Cash Flow report. It uses invoices and bills, their due dates and expected payment dates to predict cash coming into the business and cash going out. It doesn't look at recurring expenses like wages, spend or receive money transactions, and only looks at either a 7 or 30 day time period. For a clearer forecast of your cashflow, you need to look at forecasting addons