**Trader consensus on a 20°C high for Munich on October 8 reflects current observational data and model consensus showing peak temperatures around 19°C amid widespread showers, westerly winds of 10–15 km/h, and cloud cover that limited daytime warming.** Official forecasts from sources including GFS-based models and European weather services consistently project a maximum near 19°C, with afternoon rain and high humidity suppressing further rises, consistent with typical early-October patterns under unsettled Atlantic flow. The near-100% market-implied probability for 20°C incorporates the low likelihood of any late-day spike exceeding this threshold before resolution. A realistic challenge would require revised station measurements (such as from Munich’s official reporting site) confirming an unanticipated 21°C reading due to localized clearing or model error, though current conditions and short-range guidance make this improbable.