Current forecast models from European weather agencies converge on a daytime maximum near 20°C in Madrid on May 16, reflecting a stable high-pressure ridge that suppresses vertical mixing and limits surface heating beneath mostly clear skies and light northerly flow. This synoptic setup aligns closely with climatological expectations for mid-May, when average highs hover around 22°C, and recent observational data from the Madrid-Barajas station show no significant warm advection. Trader consensus at 100% for the 20°C outcome therefore embeds strong model agreement and the absence of destabilizing factors such as increased insolation or southerly winds. Only an unexpected late-day shift in cloud cover or a rapid change in boundary-layer moisture could push readings outside this narrow range before the daily maximum is recorded.