How many days will San Antonio be above 90°F?

Currently, it’s difficult to directly compare prediction market odds to specific analyst forecasts for this event, as detailed public forecasts for this specific timeframe are limited. However, generally, prediction markets often incorporate a wider range of information and perspectives than traditional forecasts. This can lead to differences in probabilities, as this market reflects the collective judgment of many traders rather than a single expert’s opinion. Examining historical data shows that prediction markets can sometimes outperform traditional forecasting methods, particularly for events with complex or uncertain factors.

On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing potential outcomes, and the price of each contract reflects the market's implied probability of that outcome occurring. As more traders participate, the prices adjust to reflect the collective assessment of the likelihood of the event. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price represents the cost to purchase a contract that pays out if the specified condition is met – consecutive days above 90°F in San Antonio during the week of September 28, 2026.

This market resolves around Oct 6, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the average daily temperature recorded in San Antonio, Texas, during the week of September 28, 2026. Specifically, the number of consecutive days with an average temperature exceeding 90°F will be tallied to determine the market’s outcome. The data will be sourced from publicly available weather records and verified for accuracy to ensure a fair and transparent resolution process.

Several factors could influence trading activity in this market. Long-range weather forecasts released in the coming months will likely be a significant driver, especially if they predict above-average temperatures for the region. Any major shifts in climate patterns, such as the development of a strong El Niño or La Niña event, could also impact the market. Additionally, news reports about heat waves in other parts of the country or world might influence trader sentiment. Finally, general economic conditions and energy prices could play a role, as these factors can affect overall risk appetite and trading behavior.