The temperature in the city reached 42°C while the feels-like temperature climbed to 46°C on Sunday, however, the Pakistan Meteorological Department (PMD) said that sea breezes were expected to return by the evening.
The Met Office warned that the heat could intensify further on Monday and added that there is no likelihood of rain in Karachi.
This update followed a hot Saturday, when the maximum temperature was recorded at 38.5°C.
A day earlier, the PMD had forecast temperatures to rise to 40°C on Sunday and further to 41°C on Monday, with heatwave conditions likely to persist until May 3.
Previously, the department had issued a heatwave alert for Karachi and several districts of Sindh, cautioning residents about very hot and dry weather over the weekend and into early next week.
According to a three-day forecast, humidity levels were expected to stay high—around 45% on Saturday, rising to 70% on Sunday morning, and then ranging between 40% and 50% during the day on Monday.
The PMD also said that central and upper Sindh would continue to experience extreme heat, with temperatures likely to remain 3 to 5°C above normal in areas such as Jamshoro, Dadu, Shaheed Benazirabad, Kashmore, Ghotki, Khairpur, Naushahro Feroze, Jacobabad, Larkana, and Sukkur.
