**Incoming southerly wind shift and increased cloud cover from an approaching frontal system are the dominant factors capping daytime heating in Cape Town on October 2.** Multiple models, including GFS-derived guidance, show highs clustering between 18–20°C, with light showers or drizzle possible in the morning followed by overcast conditions that limit solar insolation. The transition from northwesterly to southwesterly flow introduces cooler maritime air from the Atlantic, consistent with typical early-spring patterns where average October maxima hover near 21°C but cool anomalies often develop under such setups. Trader consensus at 19°C (33.5%) and 20°C (38.5%) aligns with ensemble means and the narrow spread across official and private forecasts, while lower probabilities for 21°C+ reflect limited warming potential under persistent cloud. Key resolution variables include the precise timing of the wind veer and any breaks in cloud cover during peak heating hours.