Recent official forecasts from the Royal Netherlands Meteorological Institute (KNMI) and ensemble guidance place Amsterdam’s maximum temperature on May 18 near 14–16°C, with the tight clustering of market-implied odds around these values reflecting modest uncertainty in the precise thermal maximum. A broad westerly flow is advecting mild maritime air while scattered cloud cover and a weak frontal boundary limit daytime solar heating, keeping the daily peak close to the seasonal climatological norm of roughly 16°C. Short-range model runs continue to show small spreads in boundary-layer mixing and timing of any brief showers, factors that directly influence whether the high settles at 14°C, 15°C, or 16°C. Updated KNMI guidance and 12Z ECMWF runs expected over the next 36 hours will likely narrow the range ahead of resolution.