Traders have converged on a 23°C high for Beijing on October 3 as the near-certain outcome, reflecting the latest consensus from regional meteorological models and surface observations showing stable autumn conditions with daytime maxima aligning precisely at that threshold. Official monitoring data indicate typical early-October patterns for the North China Plain, including moderate southerly flow and limited cloud cover that support this exact peak without significant deviation. Historical climatology places average October highs near 20–22°C, making the current alignment a modest positive anomaly driven by recent high-pressure dominance. Only an unforecasted cold front or localized measurement variance at the primary station could alter the recorded maximum, though model agreement and real-time updates leave little room for such shifts before daily resolution.