**Stable high-pressure dominance and clear southerly flow position moderate temperatures of 20–22°C as the most likely outcomes for Cape Town’s highest temperature on August 25.** Official and model forecasts from sources like WeatherBug, Yr.no, and WindBorne consistently show sunny to mostly clear skies under a strong subtropical high, with daytime highs projected between 18–21°C (roughly 64–70°F). Southerly to southeasterly winds of 8–16 mph will moderate daytime warming while keeping skies cloud-free, consistent with typical late-winter climatology where average highs sit near 17–18°C. Recent model runs show little day-to-day change through the short-term window, with high pressure expected to hold through at least Wednesday and no fronts or significant moisture advection indicated. This stability explains the market’s concentration of implied probability around 20–22°C (collectively over 60%), with 21°C leading at 38.5%. Outliers below 19°C or above 24°C carry low probability given the narrow forecast spread and absence of model divergence at this lead time. Updated guidance over the next 24–48 hours will primarily refine exact maxima within this narrow band.