Official forecasts from the Finnish Meteorological Institute and European models indicate a daytime maximum of 19°C in Helsinki today, driven by stable high-pressure conditions and modest southerly flow that has limited cloud cover and adiabatic warming. This aligns closely with May climatology for the region, where average highs hover near 14–16°C but can reach the upper teens under clear skies and light winds. Market-implied odds reflect the strong consensus across ensemble runs showing minimal deviation, with resolution hinging on the official Helsinki-Vantaa station reading. A brief period of unexpected solar heating or a shift in the boundary layer could push readings slightly higher, though current data show low probability of breaching 20°C.