Latest meteorological data from the Korea Meteorological Administration shows Busan under a stable high-pressure system with southerly flow and minimal cloud cover, supporting a daytime maximum of 29°C. This aligns with ensemble model consensus projecting peak readings in the late afternoon before marine influences moderate temperatures overnight. The market’s near-certainty on 29°C reflects these verified forecast conditions and the absence of stronger warming signals. A modest increase in humidity or earlier sea-breeze onset could cap the high below the threshold, though current observations indicate such shifts remain unlikely before the daily maximum is recorded.