Trader sentiment on Cape Town's highest temperature today clusters tightly around 19°C and 20°C, reflecting forecast consensus from the South African Weather Service and AccuWeather projecting a daytime high of 20°C amid clearing conditions after recent heavy rains and storms disrupted flights earlier this week. Key differentiators include morning fog patches delaying solar heating, strong southerly winds advecting cooler marine air from the Benguela Current—influencing the Cape Town International Airport station—and potential afternoon cloud buildup along the south coast, which could cap peaks at 19°C despite sunny breaks favoring 20°C. Historical mid-May averages hover near 19°C, but a stabilizing high-pressure ridge boosts warming potential; real-time observations this afternoon will clarify the outcome as models show slight spread in peak insolation and sea-breeze timing.