Highest temperature in Chicago on Jun 5, 2026?

The market resolves on Jun 6, 2026, after the trading day ends and the official high temperature for Chicago on June 5, 2026 is recorded. The outcome is determined by comparing the reported high to the 82-degree threshold. Traders holding the winning side receive their payout based on the final settlement. Resolution depends on reliable temperature data from an official weather station serving the Chicago area, ensuring all participants use the same authoritative measurement.

Several factors can shift odds before June 5, 2026. Long-range weather forecasts updated by meteorological agencies will influence trader expectations as the date approaches. Major climate patterns, such as heat waves, cold fronts, or unusual jet stream positioning, could emerge in seasonal outlooks. Real-time weather models in late May and early June will narrow uncertainty and drive sharp repricing. News of atmospheric conditions, ocean temperatures, or solar activity may also sway sentiment. As resolution nears, the market will converge toward the actual forecast, with final moves occurring in the days immediately before the event.