Current numerical weather prediction models from centers like ECMWF and GFS indicate a Beijing high near 35–36°C on August 7, 2026, under typical late-summer subtropical high pressure with moderate insolation and humidity. The market’s tight clustering around these outcomes reflects consensus on peak radiative heating offset by possible afternoon convective clouds or showers near the Beginning of Autumn solar term, which historically initiates gradual cooling but varies with steering patterns and urban heat-island effects. Traders weigh ensemble spread in boundary-layer moisture and wind fields, as even small increases in cloud cover or precipitation timing can shift the daily maximum by 1–2°C. Updated model runs over the next 48 hours will likely tighten or shift these probabilities ahead of resolution.