**Forecast models and current atmospheric conditions position 16–18°C as the most probable range for Amsterdam’s lowest temperature on August 27, 2026.** Late-summer maritime climate influences, with moderating North Sea effects, are keeping overnight radiative cooling limited. Easterly flow shifting southerly, combined with increasing cloud cover and scattered thundershowers, reduces clear-sky heat loss and supports minimums near 16°C according to multiple sources (GFS-based guidance and local observations). Recent model runs show the overnight low stabilizing around this level, with little evidence of stronger cooling or a sharp frontal passage that would drop readings toward 14°C or below. Historical late-August climatology (typical lows near 12–13°C) is being exceeded due to the current warmer, moister air mass and elevated dew points. Trader consensus reflected in the market-implied odds (16°C at 45.5%, 17°C at 31.0%, 18°C at 25.5%) aligns closely with the latest ensemble guidance, where 16°C emerges as the modal outcome. Key upcoming data points include the next model cycles and any revised NHC/NOAA or national meteorological service updates that could shift the expected minimum by 1–2°C.