Current forecasts from South African meteorological sources and international models indicate a minimum temperature near 10°C overnight in Cape Town on August 21, 2026, with official station readings and ensemble guidance showing stabilization around 9–11°C under clear to partly cloudy conditions and light southerly winds. This aligns with typical late-winter climatology for the region, where nocturnal radiative cooling under high pressure produces lows in that narrow range rather than deeper cold outbreaks. Market consensus at 91.5% for 10°C reflects traders' aggregation of real-time model runs and early observations confirming no significant deviation. A sharper cold front or unexpected wind shift could push readings below 9°C, while stronger mixing or delayed clearing might hold the minimum at 11°C or higher.