This is a very important data affecting the Fed meeting. Although the Fed's meeting and the rate decision will not take place until September, meaning they will still be exposed to another August inflation data report to decide, basically the inflation Rising inflation will help the USD continue to strengthen its position
If tonight's CPI data shows that inflation has picked up and remains strong, the expectation that the Fed will continue to raise interest rates will increase, which will put downward pressure on gold prices. On the other hand, if the release data shows lower-than-expected inflation, this will reinforce the market's view that the Fed will not need to raise interest rates anymore thereby supporting gold prices.