Traders assign the highest implied probabilities to a daily maximum of 21–23°C in Cape Town on August 12 because short-range forecasts from models such as those used by the South African Weather Service indicate a transient ridge of high pressure allowing warmer northerly flow ahead of the next cold front. This setup favors daytime highs several degrees above the long-term August average of 17–18°C, with ensemble spreads centered near 22°C. Typical winter variability from passing Atlantic fronts and the influence of the Benguela Current normally caps maxima near 18°C, yet current steering patterns and limited cloud cover support the market’s emphasis on the upper end of the seasonal range. Updated SAWS guidance and morning observations on the 11th will provide the final model consensus before resolution.