Delhi experienced a high of 43.4 degrees Celsius, 3.5 notches above the season's average, the weather department said on Monday.
Narela was the hottest at 46.6 degrees Celsius followed by Najafgarh at 46.3 degrees Celsius, Aya Nagar at 44.7 degrees Celsius, Lodhi Road at 43.8 degrees Celsius and Palam at 44.1 degrees, according to the India Meteorological Department.
The relative humidity oscillated between 37 per cent and 20 per cent during the day.
The weather office predicted mainly clear skies with heatwave conditions accompanied by gusty winds at speeds ranging from 25 to 35 km per hour during the day on Tuesday.
Delhi will be on 'orange' alert, it said.
The maximum and minimum temperatures are likely to reach 44 and 30 degrees Celsius, respectively, the department said.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)
Featured Video Of The Day
"Dark Moment": Israeli Envoy On World Court's 'Arrest Netanyahu Order'
Delhi's Minimum Temperature Drops; Air Quality Improves Delhi's Maximum Temperature Settles At 33.6 Degree Celsius Temperature Dips In Delhi After Light Rain, More Showers Likely Till Friday Amazon Employee Greets Friend At Wedding, Dies Of Cardiac Arrest "Speculative, Inaccurate": Canada Factchecks Own Media Over India Charge Canada Rolls Back Extra Screening For Fliers To India 10 Maoists Killed In Encounter With Security Forces In Chhattisgarh Declared Dead, Rajasthan Man Breathes Moments Before Final Rites Karnataka's Golden Chariot Train Will Return Next Month: What To Expect Track Latest News Live on NDTV.com and get news updates from India and around the world.