Recent numerical weather prediction models from sources like the Finnish Meteorological Institute and Met Office indicate a daytime maximum near 21–22°C for Helsinki on August 16, driven by moderate southwesterly flow, variable cloud cover, and the moderating influence of the Gulf of Finland. Coastal sea breezes and potential light showers could cap peaks below stronger inland warming, while clearer intervals might allow brief rises toward 23°C. Historical August averages hover around 19–20°C, with interannual variability from high-pressure ridges or Atlantic fronts creating the narrow spread reflected in closely matched market-implied probabilities for 22°C and 23°C. Updated model runs tonight will refine resolution criteria tied to official observations.