Recent forecasts indicate variable convective activity with thunderstorms and showers likely around August 15–17, moderating peak solar heating and keeping maximum temperatures clustered in the mid-30s Celsius. High humidity and urban heat island effects in Guangzhou amplify perceived warmth, yet widespread cloud cover from monsoon trough influences can suppress readings below 36°C by limiting insolation. Conversely, brief clear intervals or delayed rain onset could allow brief spikes to 37°C under stronger subtropical ridging. Model consensus from sources like AccuWeather and timeanddate.com highlights this narrow range driven by timing of precipitation rather than large-scale temperature anomalies, explaining the tight market spread between 35–37°C outcomes. Updated short-range model runs over the next 24–48 hours will clarify resolution thresholds.