Highest temperature in Buenos Aires on May 25?

Prediction market odds on Polymarket reflect real-money bets from traders worldwide and often diverge from traditional meteorological forecasts. While weather analysts rely on numerical models and historical data, prediction markets incorporate diverse information sources and incentivize accuracy through financial stakes. Comparing Polymarket odds to published forecasts from Argentina's meteorological service or international weather bureaus can reveal where markets see asymmetric risk. Markets may price in tail risks or consensus blind spots that formal models miss, making the comparison valuable for understanding alternative temperature scenarios.

The market resolves on May 25, 2026, after the highest temperature recorded in Buenos Aires on May 25 is officially reported. Resolution depends on verified meteorological data from the relevant weather authority for Buenos Aires. Once the actual high temperature is confirmed, the outcome contract matching that temperature range or exact value will be marked correct, and all other contracts will resolve to zero. Traders holding winning shares receive their payout based on the final odds at which they held their position.

Several factors could shift market odds before May 25. Updated seasonal forecasts, atmospheric pressure systems, and large-scale weather patterns like cold fronts or heat waves moving toward Argentina will influence trader expectations. Real-time meteorological model updates in the days leading up to May 25 often trigger significant repricing. Historical temperature records for Buenos Aires in late May provide baseline anchors that traders reference. Additionally, any unusual climate anomalies or El Niño/La Niña developments affecting South American weather could reshape market conviction about whether temperatures will exceed or fall short of typical May ranges.