Highest temperature in Tokyo on May 30?

“Highest temperature in Tokyo on May 30?” is a weather prediction market forecasting the highest temperature recorded at Tokyo Haneda Airport Station on 30 May 2026. The market will resolve to the temperature range that contains the day’s peak reading, using Wunderground’s historical daily weather data for Tokyo Haneda Airport (RJTT) as the resolution source. Because the source reports temperatures in whole degrees Celsius, that level of precision determines the final outcome. The market cannot resolve until the first data point for 31 May 2026 is published, since revisions to the 30 May readings may still be considered before then. This event matters for traders tracking short-term weather risk, seasonal temperature expectations, and Tokyo weather volatility in a recurring daily temperature market. Current market probability is about 5%, suggesting traders see the forecasted outcome as unlikely relative to higher temperature ranges. As an event prediction, it reflects market sentiment on how warm Tokyo will get on that date, with odds shaped by updated weather data and intraday temperature trends.