**Persistent subtropical high pressure and high humidity are keeping Wuhan's overnight lows elevated around 26–27°C on August 21, 2026.** Official forecasts from sources including the Met Office, local meteorological updates, and numerical models consistently project a daily minimum near 27°C (with some runs at 26.5–28°C), driven by warm, moist air masses typical of late-summer conditions in central China. Limited cloud cover overnight allows some radiative cooling, but elevated dew points near 26–28°C suppress the drop, preventing temperatures from falling into the mid-20s or lower. Recent days have shown similar patterns with no incoming cold fronts or significant rainfall to enhance cooling, reinforcing the narrow range around 26–27°C. Trader sentiment, reflected in the heavy weighting toward 26°C (57% implied) and 25°C (34%), aligns with this consensus forecast and historical August climatology for the region, where lows rarely dip below 25°C without a major weather shift. Any late-day model revisions or official station readings deviating from the 26–27°C band could adjust probabilities, though current data show high stability.