Recent meteorological consensus from Meteo-France and ECMWF ensemble models supports a maximum temperature of 16°C in Paris on May 16, driven by persistent overcast skies, moderate northwesterly flow, and reduced solar insolation that limits daytime warming below the 18°C climatological average. Current surface observations confirm stable boundary-layer conditions with minimal afternoon heating potential, aligning trader consensus at near-certainty for this outcome. Historical May patterns in the region show comparable cool episodes under similar synoptic setups. Resolution hinges on official readings at key stations by late afternoon; only an unforeseen rapid clearance or anomalous warm advection could realistically push the peak above 16°C, though model agreement leaves little room for such shifts.