**Trader consensus has locked in 25°C as the day's high in Busan, reflecting verified observations from the Korea Meteorological Administration (KMA) that peaked at 25.1°C during afternoon hours under partly cloudy skies with easterly winds.** Forecast models had projected a maximum near 23–24°C amid mild autumn conditions typical for early October, yet real-time station data confirmed the slightly warmer outcome. With the measurement window closed by evening, the market-implied odds align tightly with these official readings. Only an unexpected revision in the final daily summary or station-specific averaging could alter the result, though such adjustments remain rare for well-monitored urban sites.