Hisar's high was three notches above normal, the MeT Department said, adding that the maximum temperature at Ambala and Karnal settled at 38.1 degrees Celsius and 38 degrees Celsius respectively.
Chandigarh, the common capital of both the states, registered a maximum temperature of 39.1 degrees Celsius.
In Punjab, Amritsar had a hot day at 41.1 degrees Celsius, a notch above normal, while Ludhiana and Patiala too sizzled at 40.7 degrees Celsius and 39.2 degrees Celsius respectively.