The heat will be intense for the next 3 days and then it will cool down slightly.

The National Center for Hydro-Meteorological Forecasting said that the weather in Hanoi in the next 3 days (July 6-8) will have more hours of sunshine, slightly higher night temperatures and an increased feeling of heat at night; along with that, the possibility of thunderstorms in the evening will decrease significantly compared to the past few days. The highest temperature during the day will gradually increase in the next 3 days.

Severe heat will continue in Hanoi for the next 3 days. Photo: Thach Thao

The meteorological agency also said that in the next 3 days in the North, the hot weather will continue, with some places experiencing severe heat with the highest temperature of 35-38 degrees, some places over 38 degrees; the lowest relative humidity is 50-65%. On June 9, the temperature will decrease slightly in the North and the capital Hanoi.

The area from Thanh Hoa to Phu Yen is hotter , with some places experiencing particularly severe temperatures of 36-39 degrees Celsius, some places above 39 degrees Celsius; the lowest relative humidity is 45-60%.

Specifically about the weather in Hanoi capital in 3 days (July 6-8) :

Day	Day (7am-7pm)	Night (7pm-7am)
6/7	Few clouds, hot and very hot days. South to southeast wind level 2-3. Highest temperature: 35-37 degrees Average humidity: 55-65% Chance of rain: 20-30%	Cloudy, no rain. Light wind. Lowest temperature: 28-30 degrees Average humidity: 70-80% Chance of rain: 10-20%
7/7	Few clouds, hot and very hot days. South to southeast wind level 2-3. Highest temperature: 36-38 degrees Average humidity: 50-60% Chance of rain: 10-20%	Cloudy, no rain. Light wind. Lowest temperature: 29-31 degrees Average humidity: 70-80% Chance of rain: 10-20%
8/7	Few clouds, hot and very hot days. South to southeast wind level 2-3. Highest temperature: 37-38 degrees Average humidity: 50-60% Chance of rain: 20-30%	Cloudy, no rain. Light wind. Lowest temperature: 29-31 degrees Average humidity: 70-80% Chance of rain: 10-20%

Weather forecast for July 6: Heat waves increase again in the North Weather forecast for July 6, the heat waves in the North increase again. From Thanh Hoa to Phu Yen, the heat waves will remain intense. The Central Highlands and the South may have thunderstorms in the evening.

Source: https://vietnamnet.vn/thoi-tiet-ha-noi-nang-nong-rat-rat-lien-tiep-3-ngay-toi-roi-giam-nhiet-nhe-2162174.html