Recent global model runs, including ECMWF and GFS ensembles, indicate peak afternoon temperatures in Shanghai on July 17 likely reaching 37–38°C under a strong subtropical high, driving the near-even market split between those bins. Typical mid-July patterns feature southerly monsoon flow, high humidity above 70 percent, and urban heat island effects that can add 1–2°C locally, while scattered thunderstorms may cap daytime maxima depending on timing and coverage. Historical July averages hover near 32–34°C, with occasional spikes above 37°C during clear, subsident periods. Traders are weighting the latest 48-hour guidance heavily, as the next model cycles and official China Meteorological Administration updates could shift resolution probabilities ahead of the July 17 observation window.