While weather derivatives exist in traditional finance, predicting the exact high temperature of a specific city on a specific day is a niche and somewhat novel topic for general retail prediction markets, though it is a known fun category.

May 21, 2026 - May 22, 2026: The price of the 78-79°F option climbed from 11.5c to 24.5c, while the 80-81°F option also saw fluctuations, reaching as high as 37c. This was driven by increasingly confident forecasts regarding the timing of rain and thunderstorms, leading markets to price in a higher likelihood that cloud cover and precipitation will suppress daytime high temperatures. No other significant recent price movements. The weather forecasts have remained relatively stable, resulting in no drastic shifts in market expectations.