**Recent short-range forecasts from sources including Trip.com and the UK Met Office indicate daytime maxima of 35–37°C for Guangzhou on August 13, 2026, aligning closely with the market’s heaviest weighting on 36°C (39.5%) and 37°C (29.5%).** Guangzhou’s subtropical monsoon climate produces typical mid-August highs near 33–34°C under high humidity and urban heat-island effects; current model consensus points to slightly elevated temperatures driven by warm, moist air masses with limited cloud suppression. Thunderstorm activity noted in several outlooks could introduce evaporative cooling or increased cloud cover that caps peaks near the 35–36°C range, explaining why probabilities taper quickly above 37°C and below 35°C. These conditions reflect normal seasonal variability rather than extreme heatwave signals, with traders incorporating the latest model runs and historical analogs showing that scattered convection often moderates daily maxima in this period. Updated guidance from the China Meteorological Administration and regional numerical weather prediction runs expected in the next 24–48 hours will likely refine these implied probabilities ahead of resolution.