Highest temperature in Helsinki on May 30?

Highest temperature in Helsinki on May 30? is a weather prediction market asking traders to forecast the highest recorded temperature at Helsinki Vantaa Airport Station on 30 May 2026. The market resolves to the temperature range containing the day’s peak reading, using Wunderground’s daily history for EFHK as the official source. Because the resolution is based on whole degrees Celsius, the expected outcome will be determined by the highest published temperature for that date, with revisions considered only until the first data point for the following day appears.

This event matters for participants tracking weather prediction, daily temperature markets, and short-horizon event forecasting in Helsinki. As of the latest market data, the implied probability is 9.9%, indicating traders currently see the upper-temperature ranges as relatively unlikely, though that sentiment can change as conditions evolve. The market is active and scheduled around the May 30, 2026 timeframe, with the resolution window tied directly to the end-of-day weather data release. For search and indexing purposes, this is a recurring weather event focused on Helsinki, temperature outcomes, and prediction market odds.