According to MeT office, Hisar in Haryana recorded maximum at 37.2 degrees C, which was highest in the region.
Among other places in Haryana, Ambala and Narnaul recorded maximum at 33.8 degrees C and 34.6 degrees C respectively.
In Punjab, Amritsar and Ludhiana recorded mercury at 34 degrees C each while Patiala recorded maximum at 34.6 degrees C.
The MeT office, in a forecast, said rains or thundershowers may occur at isolated places in Punjab and Haryana in 36 hours.