Trader consensus has converged on a 27°C high for Mexico City on May 23 because official meteorological observations recorded a daily maximum in that range, consistent with regional model guidance and station data from the dry-season period. Climatological baselines place typical May highs near 26–28°C in the highland valley, with limited variability from steering patterns or moisture. Recent forecasts from agencies tracking the central Mexican plateau showed no intensification signals or anomalous warming that would push readings into the 28°C+ thresholds. While minor discrepancies in station selection or rounding protocols could theoretically alter resolution, the tight clustering of live data around 27°C leaves little room for revision once final verification is complete.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Mexico City on May 23?
27°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$39,135 Vol.
$39,135 Vol.
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C or higher
No
27°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$39,135 Vol.
$39,135 Vol.
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C or higher
No
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 Benito Juárez International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/mx/mexico-city/MMMX.
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.
Market Opened: May 21, 2026, 6:18 AM ET
Resolution Source
https://www.wunderground.com/history/daily/mx/mexico-city/MMMXResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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 Benito Juárez International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/mx/mexico-city/MMMX.
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.
Resolution Source
https://www.wunderground.com/history/daily/mx/mexico-city/MMMXResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Trader consensus has converged on a 27°C high for Mexico City on May 23 because official meteorological observations recorded a daily maximum in that range, consistent with regional model guidance and station data from the dry-season period. Climatological baselines place typical May highs near 26–28°C in the highland valley, with limited variability from steering patterns or moisture. Recent forecasts from agencies tracking the central Mexican plateau showed no intensification signals or anomalous warming that would push readings into the 28°C+ thresholds. While minor discrepancies in station selection or rounding protocols could theoretically alter resolution, the tight clustering of live data around 27°C leaves little room for revision once final verification is complete.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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