The Safdarjung observatory, the reading of which is considered as the official figure for the city, registered a maximum temperature of 43.7 degrees Celsius, three notches above the season's average.
The Palam observatory registered a high of 46.4 degrees Celsius, which is the highest so far this season.
"Areas of Lodhi Road, Ridge and Ayanagar recorded respective maximums of 44, 45.4 and 45.4 degrees Celsius," said a MeT department official.
The minimum temperature was recorded at 26.4 degrees Celsius, normal for this time of the year, the official said.
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The Met office has forecast clear skies for tomorrow.
"The skies will be mainly clear. Dusty haze is likely to occur towards morning and evening. The maximum and minimum temperatures are likely to hover around 44 degrees and 28 degrees, respectively," the official said.
Yesterday, the maximum and minimum temperatures were recorded at 43.3 degrees Celsius and 28.6 degrees Celsius respectively.