Despite sweltering weather in the afternoon, the night temperature across the state plummeted by one to four degree Celsius since yesterday, the report said.
"This trend of mercury fall will set early winter conditions in the state", a senior MeT official said.
Sriganganagar recorded the minimum temperature of 16.9 degree Celsius, while Udaipur recorded a minimum temperature of 16.5 degree Celsius and Jaipur 22 degree Celsius.
Weatherman has forecast rain or thundershower could occur at isolated places as a fresh western disturbance is likely to hit the state in next 24 hours.