Official forecasts from Mexico's Servicio Meteorológico Nacional (SMN) under Conagua project a high of 30-33°C in Mexico City today, amid an ongoing onda de calor— a heat wave driven by a persistent high-pressure ridge fostering clear skies and intense solar heating during the dry season. This consensus across models like those from SMN and international sources has locked trader sentiment at 100% implied probability for 28°C or higher, well above the May climatological average of 25-26°C at the city's 2,240-meter elevation. Realistic challenges include unforecast afternoon convective showers or early arrival of Frente Frío No. 48 suppressing peak heating, though low-probability per current guidance; real-time data from stations like Observatorio Central Tacubaya will confirm by evening.
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 1?
28°C or higher 100.0%
18°C or below <1%
19°C <1%
20°C <1%
$11,014 Vol.
$11,014 Vol.
18°C or below
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
No
28°C or higher
Yes
28°C or higher 100.0%
18°C or below <1%
19°C <1%
20°C <1%
$11,014 Vol.
$11,014 Vol.
18°C or below
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
No
28°C or higher
Yes
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: Apr 29, 2026, 12:11 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
Official forecasts from Mexico's Servicio Meteorológico Nacional (SMN) under Conagua project a high of 30-33°C in Mexico City today, amid an ongoing onda de calor— a heat wave driven by a persistent high-pressure ridge fostering clear skies and intense solar heating during the dry season. This consensus across models like those from SMN and international sources has locked trader sentiment at 100% implied probability for 28°C or higher, well above the May climatological average of 25-26°C at the city's 2,240-meter elevation. Realistic challenges include unforecast afternoon convective showers or early arrival of Frente Frío No. 48 suppressing peak heating, though low-probability per current guidance; real-time data from stations like Observatorio Central Tacubaya will confirm by evening.
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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