The period of hot weather is due to last from March 29 and will impact the northern and the north-western regions, including Dien Bien and Son La provinces, according to the National Centre for Hydro-Meteorological Forecasting.
Temperatures are anticipated to range from 32 to 34 degrees Celsius, with some locations even seeing highs of 35 degrees Celsius, the centre said.
In Hanoi, temperatures are forecast to rise quickly from March 29 and hit 33 degrees Celsius in the middle of next week. Local people will feel hot and dry due to the impact of the latest heat wave.
Meanwhile, the centre said the current hot spell in the Central Highlands and the southern region will see temperatures fall this weekend, with showers and thunderstorms predicted to hit some places.
By late April, rainfall is predicted to be between 20 mm and 40 mm higher compared to the same period from previous years.
Over the next month the Central Highlands and the southern region will see temperatures drop by up to one degree Celsius against the same period from the past.
On average, regions may record less days in which they experience heat waves in comparison to previous years.