This market will resolve to the temperature range that contains the highest temperature recorded at the Zhengzhou Xinzheng International Airport Station in degrees Celsius on 21 May '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Zhengzhou Xinzheng International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/zhengzhou/ZHCC. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve to "Yes" until all data for this date has been finalized. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Key risk: Data revisions post-finalization by Wunderground
AI updated 6/26/2026, 2:48:32 PM
This market will resolve to the temperature range that contains the highest temperature recorded at the Zhengzhou Xinzheng International Airport Station in degrees Celsius on 21 May '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Zhengzhou Xinzheng International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/zhengzhou/ZHCC. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve to "Yes" until all data for this date has been finalized. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Crowd Consensus
50%
ORYN Consensus
52%
Signal Score
+2.0
Opportunity
1.3
Graph Relationships
ORYN is polling its model network — Claude, GPT, Gemini and more — for this market. The consensus and per-model dissent will appear here.
Regime: — · Confidence: 0%
The market is evenly split on whether Zhengzhou will reach 30°C on May 21, 2026, with no clear directional bias in historical trends or forecast models. Resolution hinges on localized meteorological data from Zhengzhou Xinzheng International Airport Station.
Climate trends suggest increasing temperatures in northern China, with Zhengzhou experiencing earlier and more intense heatwaves. Forecast models (e.g., ECMWF, GFS) indicate a 40-60% probability of temperatures exceeding 29°C in late May, making 30°C plausible. Urban heat island effects could further elevate temperatures.
Historical data shows May 21 temperatures in Zhengzhou rarely exceed 28°C, with a 10-year average of ~25°C. Early monsoon patterns or unexpected cloud cover could suppress daytime highs below 30°C. Forecast models currently show only a 20-30% probability of reaching 30°C.
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Will the highest temperature in Zhengzhou be 30°C on May 21? is tracked on ORYN with data sourced from polymarket. Current market-implied probability is 50% while ORYN AI estimates 52%.
ORYN aggregates forecasting intelligence across Asia-focused categories including crypto, AI, cricket, startups, and global events.
