Recent model consensus from Météo-France and ECMWF points to a post-heatwave cooldown for Paris on August 16, with afternoon highs centering near 29–30 °C under increasing cloud cover and a shift toward more zonal flow. This follows a mid-August ridge that drove 37–38 °C peaks earlier in the week, now giving way to Atlantic moisture and reduced solar heating that caps temperatures below prior extremes. Traders assign the highest implied probability to 30 °C because ensemble spreads still include brief clearing that could push readings 1 °C higher, while 29 °C remains close behind if low-level stratus or a weak front arrives on schedule. Resolution hinges on the official Paris-Montsouris or Le Bourget maximum, where urban heat-island effects and precise timing of any showers will decide the final value.