Current forecast models from sources including the GEM, Met Office, and local monitoring indicate a peak temperature of 25–26°C for Mexico City on September 28, driven by typical late-September conditions at the city's high elevation, where afternoon heating is moderated by cloud cover and light precipitation chances. Multiple runs show highs near 25°C with minor model spread on intensification, aligning with historical averages around 22–24°C and positioning 26°C as the modal outcome in trader assessments. Updated runs expected from official agencies over the next 48 hours could shift probabilities if steering patterns or moisture levels change. Market-implied odds reflect this narrow consensus amid standard forecast uncertainty for a single-day maximum.