There was a slight decrease in day temperature in Delhi with the maximum temperature settling at 42.6 deg C, two degree above normal.
MeT officials, however, said it was a temporary respite following a western disturbance affecting Jammu and Kashmir, Himachal Pradesh and Uttarakhand.
Temperatures may rise again once this subsides, they said.
Heavy showers lashed most parts of Himachal Pradesh today while high-altitude tribal areas received another spell of snowfall, providing the much needed relief to people from the scorching heat.
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The maximum temperature in Bhuntar dropped to 23.8 degree from yesterday's 37.8 degree while Sundernagar recorded 29.4 degree against yesterday's 39.4 degree.
In the state capital Shimla, heavy rains and thunderstorm led to a sharp fall in the mercury. The temperature dropped to 24.0 from yesterday's 30.8 degree.
Key tourist destinations of Dharamsala, Palampur, Manali, Kullu, Chail, Kasauli, Chamba and Barog also received rains.
Several areas in Kangra and Una also saw rainfall, bringing cheers to farmers.
Rainfall at a few places in the two states brought down the temperature, though dusty weather conditions prevailed.
UT Chandigarh recorded maximum of 39.2 deg C with 0.1 mm of rainfall, Met office said here today.
In Punjab, Ludhiana and Patiala where mercury was over 43 degrees for the last few days, today recorded maximum temperature at 39.9 deg C and 40.1 deg C respectively.