The dominant market positioning at 31°C reflects the latest ensemble forecast models from agencies including METMalaysia and global numerical weather prediction systems, which project a daily maximum temperature of exactly that value under persistent high humidity near 85% and scattered cloud cover limiting solar insolation across the Kuala Lumpur basin. This aligns with equatorial climatology for mid-May, where typical highs average 31–32°C but recent steering patterns from the Intertropical Convergence Zone have suppressed convective heating and kept afternoon peaks from exceeding 31°C in official observations through midday. Traders view the outcome as near-certain given the absence of any intensification signals in current atmospheric profiles. Only an abrupt late-day clearing of cloud decks or an unexpected drop in relative humidity could push readings to 32°C or above before resolution criteria are met at the primary monitoring station.