Current numerical weather prediction consensus from agencies including the UK Met Office and Finnish Meteorological Institute points to a daytime maximum near 22°C in Helsinki on August 15, with limited model spread supporting the market's heavy weighting toward 22–23°C outcomes. Late-August climatology features declining solar insolation and typical Baltic high-pressure patterns that moderate temperatures below peak summer values, while light winds and variable cloud cover constrain the diurnal range. Recent model runs show no significant warm advection or clear-sky amplification that would push readings to 24°C or above, keeping higher bins at low implied probability. Traders are closely monitoring the next 12–24 hours of high-resolution updates for any shift in steering flow or boundary-layer moisture that could alter the peak.