Forecast models for Mexico City on July 26 point to a daytime maximum near the long-term July average of 24–25°C, with trader probabilities clustered tightly between 24°C and 26°C. High elevation near 2,240 meters and persistent cloud cover from the ongoing rainy season moderate temperatures, while afternoon showers or thunderstorms—common this time of year—can further cap peaks through reduced solar heating and evaporative cooling. Minor shifts in model guidance on timing of convection, humidity levels, or boundary-layer winds account for the narrow spread across outcomes, as even brief clearing could push readings 1–2°C higher. Official updates from Mexican meteorological services will refine these projections before the daily maximum is recorded.