Will the highest temperature in Mexico City be 27°C or higher on May 18?

This market will resolve to the temperature range that contains the highest temperature recorded at the Benito Juárez International Airport Station in degrees Celsius on 18 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 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.