Recent Japan Meteorological Agency forecasts for Tokyo indicate a minimum temperature near 24–25°C on July 19, driven by persistent cloud cover, elevated humidity, and light winds that limit nocturnal radiative cooling amid typical late-summer conditions. These factors create tight differentiation among leading market outcomes around 24–26°C, as even modest increases in clear-sky intervals or slightly stronger breezes could enhance cooling toward the lower end while retained moisture and urban heat island effects support readings near 26°C. Model consensus remains stable but carries uncertainty from potential timing shifts in any passing fronts, with traders weighting historical July minima averaging 23–25°C against the current partly to mostly cloudy outlook through the weekend.