**Trader consensus centers on 23–25°C as the most probable range for Mexico City’s highest temperature on August 7, 2026, reflecting model agreement around typical rainy-season conditions.** Mexico City’s high elevation (approximately 2,240 m) keeps daytime maxima moderate even in summer, with August climatological highs averaging 24–25°C. Current forecasts from multiple sources consistently project a maximum near 23–25°C (73–77°F) under partly cloudy to overcast skies with scattered afternoon thunderstorms. These showers, driven by diurnal convection during the North American monsoon, frequently limit peak heating by increasing cloud cover and evaporative cooling. No major deviations from seasonal norms appear in the latest model runs, supporting the market’s tight clustering around 24°C (39.5 % implied) and 25°C (28.5 %). Resolution will depend on the official maximum recorded at the primary observing station; afternoon precipitation timing remains the key variable that could shift the outcome within the narrow 23–25°C band.