Highest temperature in Helsinki on June 17?

"Highest temperature in Helsinki on June 17?" is a weather prediction market focused on the maximum temperature recorded at Helsinki Vantaa Airport Station on 17 Jun 2026. Traders are forecasting which temperature range will contain the day’s highest reading, using Wunderground as the resolution source and whole-degree Celsius measurements for settlement. The market matters because it turns a specific local weather outcome into a tradable forecast, with the final result depending on the published daily record after the next day’s data point becomes available. The event runs through June 17, 2026, and can only resolve once the following day’s first datapoint has been posted. Current market sentiment assigns about a 20% probability to the event as listed, though that reflects trader expectations rather than a guaranteed outcome. As a recurring daily temperature market in the Weather category, it is useful for tracking weather forecast odds and how participants price the expected outcome for Helsinki on that date.