Wellington, the capital of New Zealand, is experiencing autumn as of April 18. This market asks whether the city's highest temperature on that date will remain at or below 11°C. Currently trading at 0% YES odds, market participants are pricing this outcome as extremely unlikely, signaling an expectation of warmer conditions than 11°C. Autumn temperatures in Wellington typically range from 10°C to 16°C depending on weather patterns, so a maximum of 11°C or below would represent a notably cool day. The resolution mechanism is straightforward and verifiable: the highest temperature recorded by official meteorological sources in Wellington on April 18 will be compared against the 11°C threshold. Weather-based prediction markets like this one attract active traders because temperature thresholds provide clear, objective resolution criteria tied to publicly available data. With over $7,200 in 24-hour trading volume and approximately $129,000 in liquidity, this market demonstrates sustained interest from participants trading on their expectations of autumn weather conditions.