RBA rules on August cash rate RBA rules on August cash rate Share In this special announcement, partnered by Legal Home Loans, learn the outcome of the RBA’s August board meeting. The Reserve Bank of Australia (RBA) has revealed its decision on the August 2021 cash rate, as governments grapple to minimise the economic fallout caused by the COVID-19 Delta strain. Continuing the recent record-low run, the official cash rate will once again remain at 0.1 per cent. CreditorWatch chief economist Harley Dale has weighed in on the central bank’s latest decision, stating it “comes as no surprise” as Australia contends with the economic fallout currently being caused by widespread lockdowns aimed at mitigating the spread of the Delta strain of COVID-19.