Recent official forecasts from agencies including the China Meteorological Administration and international models indicate a daily maximum in Zhengzhou on August 30 clustering near 29–31 °C, driving the tight market distribution between those outcomes. Northerly flow has advected cooler, drier air into the region after late-August warmth, while increasing cloud cover reduces incoming solar radiation and limits afternoon heating compared with clearer prior days. Ensemble guidance shows limited spread around these values, with minimal precipitation expected to further moderate temperatures, though small shifts in timing or coverage of cloud could tip the recorded high by 1 °C. Traders are therefore pricing the high probability of a near-normal late-summer maximum rather than an extreme.