Predicting the exact highest daily temperature of a specific city is somewhat niche in prediction markets. Ordinary people do not usually guess the precise temperature value for a random day, though weather betting itself is not completely unheard of.

May 5, 2026 03:28 - May 5, 2026 05:38, the price of the 22°C option skyrocketed from 1.5c to 36.65c, while 25°C plummeted from 36.5c to 10c, and 26°C plunged from 30c to 8c. This was caused by real-time temperature data early in the afternoon (Beijing Time) at Qingdao Airport (ZSQD) trending significantly lower than the previous warm forecasts, leading to a drastic downward revision by traders. May 3, 2026 - May 5, 2026, no options experienced historical price movements over 10c until this real-time intraday correction.

Previous mainstream weather forecast models generally predicted that Qingdao Jiaodong Airport would reach 25°C-27°C on May 5. However, the actual intraday temperature evolution diverged significantly from these earlier models, forcing the market to heavily correct prices downward into the 22°C-23°C range. This indicates that real-time short-term weather conditions shattered the advance forecasts provided by mainstream agencies.

Predicting the exact high temperature for a specific city on a given day is a relatively niche weather market. While easy to understand, it is highly specific and draws less mainstream attention than political or financial events.

May 4, 2026 - May 5, 2026, the price of 23°C skyrocketed from 10.65c to 57.8c. The reason is likely irrational buying driven by traders misinterpreting early morning low-temperature data. May 4, 2026 - May 5, 2026, the price of 25°C plunged from 44c to 11.5c, and '26°C or higher' plummeted from 46c to 5.5c, as real-time weather updates closer to resolution made it clear that reaching those higher temperatures is extremely unlikely.

The prediction market assigns a 58% probability to 23°C, whereas real-time weather data shows Guangzhou has already hit 24°C. This massive divergence likely stems from time zone confusion or lagging reactions to historical data, leading traders to price a physically impossible event as the favorite.

May 3, 2026 - May 5, 2026: The price of 16°C surged from 8.5c to a peak of 58.5c, as weather models grew increasingly confident that the high temperature would reach 16°C as the date approached. May 3, 2026 - May 5, 2026: The price of 14°C plummeted from 45.5c to 1.8c, because updated forecasts showed temperatures would be significantly higher than 14°C, effectively ruling out this option.

Between May 3 and May 4, 2026, the price of the 24°C option gradually climbed from 21c to 41.5c, and the 25°C option rose from 21c to 42c. This was driven by meteorological forecast models becoming increasingly confident that the high temperature will land in the 24-25°C range as the resolution date approaches, removing earlier uncertainties.

There is a noticeable divergence. The market currently assigns the highest probability (32.5%) to the 84-85°F range, whereas major meteorological sources, including the NWS and AccuWeather, forecast a high of 88°F. The market may be over-indexing on certain local forecasts that skew lower, or traders heavily weigh the potential for daytime showers to suppress the maximum temperature.