Persistent thundery showers under inter-monsoon conditions have driven the near-certain market consensus around a 28°C daily maximum for Singapore today, as convective clouds and heavy localized rainfall sharply limit solar heating and evaporative cooling across urban stations. Official National Environment Agency observations through the morning show peaks capped well below the climatological May average of 31–33°C, mirroring the pattern that locked in 29°C on May 15 amid similar suppression. While forecast models project potential afternoon clearing that could allow brief rises toward 29°C, the current cloud regime and sea-breeze moderation make such a shift unlikely before resolution. New real-time readings from Changi and other stations throughout the day remain the key variable that could still alter the final official maximum.