**Forecast consensus for Buenos Aires on August 26 points to a daytime high near 17–18°C under partly cloudy skies and northeasterly flow, with model spreads creating the observed market pricing around 19°C and 20°C.** August 26 falls in late Southern Hemisphere winter, when typical daily maxima average 15–17°C. Current guidance from multiple sources (including national services and global models) shows morning temperatures starting near 10–12°C and rising to afternoon peaks of 16–18°C as lighter winds and partial cloud cover allow modest insolation. A few model runs indicate brief warming to near 19–20°C if cloud cover remains limited and advection from the northeast strengthens slightly, while others cap the day closer to 16–17°C. This uncertainty—common in short-range temperature forecasts near the resolution threshold—explains why traders assign the highest implied probabilities to 19°C (43.5%) and 20°C (30%), with meaningful weight also on 18°C. Recent observations show cooler conditions the prior day (highs around 12–14°C), so any incremental warming from the expected wind shift supports the slight bullish tilt in the market. The outcome will be determined by the official maximum recorded at the designated station, with the primary risk being whether models trend warmer or cooler in the final 24-hour updates.