Traders assign the highest probabilities to a June 18 peak of 34°C or 35°C in Karachi because short-range forecast models from regional meteorological centers indicate a typical pre-monsoon maximum near these values, driven by strong daytime insolation, light variable winds, and high humidity that limits nocturnal cooling. The narrow spread among 33–35°C outcomes reflects genuine uncertainty in the precise timing and strength of the afternoon sea breeze from the Arabian Sea, which can shave 1–2°C off the daily high depending on its onset, alongside minor model differences in cloud cover and any isolated showers. Current conditions show temperatures already climbing toward seasonal normals of 33–34°C, with limited precipitation expected to keep the outcome tightly clustered unless an earlier monsoon surge develops.