**Recent stabilization under building high pressure after a mid-August storm system has produced closely matched trader odds, with 7°C or below at 49.5% and 17°C or higher at 48.5%.** Current official guidance from the Finnish Meteorological Institute and global models points to a minimum near 12–14°C on August 26 under mostly clear to partly cloudy skies and light northerly winds, favoring the middle resolution bands (8–16°C each at 24.5%). Key drivers include radiative cooling overnight once the recent low-pressure system and associated cloud cover/rain depart, combined with a mild maritime air mass over the Baltic that limits strong nocturnal drops. Historical August climatology for Helsinki shows typical overnight minima of 10–14°C, and no polar or Arctic air intrusion is forecast. Model consensus remains tight on the timing of high-pressure ridging, but small differences in cloud cover or wind speed could shift the exact low by 2–3°C, sustaining the near-even split between the tail outcomes. Updated model runs and FMI briefings over the next 48 hours will likely narrow the range before resolution.