Recent numerical weather prediction models, including GFS and ECMWF runs, indicate southwesterly flow and partial clearing after overnight rain will support daytime highs of 14–16 °C in Helsinki on October 6, well above the 11.3 °C climatological average. Trader consensus reflected in the 61.5 % market-implied probability for 16 °C as the daily maximum appears driven by the upper end of ensemble guidance, dry-air advection, and strong westerly winds that can produce localized warming at the official measurement site. Lower probabilities assigned to 14–15 °C outcomes acknowledge model spread and the narrow margin between forecast scenarios. Final observations from the Finnish Meteorological Institute will resolve the market within hours, with limited scope for further model shifts before peak heating.