Latest forecasts from the Finnish Meteorological Institute and ECMWF ensembles indicate a modest daytime maximum near 16°C in Helsinki today, driven by moderate solar insolation under partly cloudy skies and light southerly flow advecting mild Atlantic air. This positions the 16°C outcome as the clear market leader at 43.5% implied probability, with 17°C trailing at 30.5% amid minor model spread on boundary-layer mixing and high-cloud timing. Historical May climatology shows average highs of 15–16°C at Helsinki-Vantaa, so current conditions align closely with the seasonal baseline without strong warm or cool anomalies. Hourly observations through late afternoon will refine the peak before resolution, as subtle shifts in wind or insolation could still nudge the final reading into the 15–17°C range.