Official Hong Kong Observatory measurements recorded a maximum air temperature of 34°C on August 12, 2026, under sunny periods with light southerly winds and high humidity, aligning precisely with the market's 100% consensus on that outcome. This result fits August climatology for the region, where urban heat-island effects and typical subtropical high-pressure patterns commonly produce afternoon peaks near 31–34°C. Traders weighted real-time station data and short-range model guidance heavily, leaving negligible implied probability for deviations. A realistic challenge would require a post-event quality-control revision by the Observatory or a shift in the official reference station, both rare once preliminary values are released.