Recent ensemble forecasts from the ECMWF and national meteorological services center maximum temperatures in Amsterdam on August 4 around 29–31 °C, reflecting a building high-pressure ridge and easterly flow that favors daytime warming while introducing modest uncertainty from possible scattered afternoon convection or variable cloud cover. Official guidance from KNMI and the Met Office highlights how clearer conditions could support the upper end of that range, whereas increased moisture or showers would likely keep readings closer to 29 °C or below. These near-term model spreads, set against August climatological averages near 22 °C, explain the closely matched market-implied odds favoring 30 °C and 31 °C outcomes while assigning lower probability to extremes above 32 °C. Updated model runs and official briefings through the next 48 hours remain the key variables for traders.