Madrid's weather in mid-April typically features temperatures between 15°C and 20°C, making a high of exactly 25°C a moderately warm but not extreme outcome. The market requires the day's maximum temperature to hit this precise target rather than merely reach or exceed it. At current odds of 2%, traders believe this specific temperature threshold is unlikely based on seasonal patterns and atmospheric models. Such precise weather prediction markets rely on official meteorological recordings from recognized weather stations in Madrid. The market closes at midnight UTC on April 18, 2026, using validated temperature data as the resolution source. The low odds suggest a consensus view that while warm weather is possible, hitting exactly 25°C is uncommon for this period. These weather prediction markets allow traders to express granular views about specific climatic conditions over defined timeframes, with outcomes determined by real-world meteorological data rather than subjective interpretation.