Recent ensemble forecasts from European meteorological models indicate a daytime maximum near 16°C in Paris on May 18, supported by a weakening high-pressure ridge and light southwesterly flow that limits strong diurnal heating. Persistent Atlantic moisture and scattered cloud cover are expected to cap afternoon temperatures, with possible light showers keeping readings between 15°C and 17°C. This range aligns with current seasonal anomalies following a cool, wet period earlier in May, when observed highs averaged 2–3°C below the long-term 18°C climatological mean. Model spread remains modest, though minor shifts in cloud timing could still push the peak one degree either way by the final update.