According to the National Center for Hydrometeorological Forecasting, the Northwest, Viet Bac and Quang Ninh regions have moderate rain, heavy rain and thunderstorms with rainfall ranging from 20-50mm, locally in some places over 120mm. From this afternoon, heavy rain in these areas will gradually decrease. Other provinces in the North and Thanh Hoa have scattered showers and thunderstorms, with heavy rain in some places.
The Central Highlands and the South have intermittent sunny days, sometimes showers, and in the evening the rain tends to increase, with heavy rain in some places.
Around August 24 - 25, a low pressure trough formed across the South Central region and gradually became stronger. The southwest monsoon, which dominates the weather in the Southern region from around August 25, tends to become increasingly stronger. According to the Southern Regional Hydrometeorological Forecasting Station, in the last week of August, rain will gradually increase and increase significantly compared to the first and middle weeks of the month.
Meanwhile, from Nghe An to Ninh Thuan continues to experience hot weather, in some places the heat is intense with the highest temperature up to 35-37 degrees Celsius, in some places it is over 37 degrees Celsius. Relative humidity is the lowest on the spectrum. variable 55-60%. Warning that this heat wave may continue in the coming days. Tourists need to limit going out during peak heat periods, drink enough water and take effective sun protection measures.

Weather forecast on August 23 in 10 tourist cities of Vietnam:
Hanoi
Lowest temperature: 25-26 degrees Celsius.
Highest temperature: 32 degrees Celsius.
Day and night are cloudy, with moderate rain, heavy rain and scattered thunderstorms. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.
Ha Long
Lowest temperature: 25-28 degrees Celsius.
Highest temperature: 32 degrees Celsius.
Day and night there are scattered showers and thunderstorms, with strong winds.
Ninh Binh
Lowest temperature: 25-27 degrees Celsius.
Highest temperature: 32-33 degrees Celsius.
On a rainy day, the UV index is high. At night there were scattered thunderstorms and strong winds.
Hue
Lowest temperature: 24-25 degrees Celsius.
Highest temperature: 34-36 degrees Celsius.
Hot sunny day, with thunderstorms in some places. At night there was scattered thunderstorms and strong winds.
Da Nang
Lowest temperature: 25-26 degrees Celsius.
Highest temperature: 33-35 degrees Celsius.
Hot sunny day, high UV index. Cloudy night, no rain.
Nha Trang
Lowest temperature: 24 degrees Celsius.
Highest temperature: 30-34 degrees Celsius.
Cloudy day, hot sun, high UV index. Cloudy night, no rain.
Da Lat
Lowest temperature: 17-24 degrees Celsius.
Highest temperature: 26-30 degrees Celsius.
Days with showers and thunderstorms, high UV index. The night was clear, no rain.
Ho Chi Minh City
Lowest temperature: 24-26 degrees Celsius.
Highest temperature: 31-35 degrees Celsius.
There will be thunderstorms in some places on the day and the UV index is high. There will be scattered showers and thunderstorms at night.
Vung Tau
Lowest temperature: 24-26 degrees Celsius.
Highest temperature: 31-32 degrees Celsius.
The day is hot and dry. At night there were scattered thunderstorms and strong winds.
Phu Quoc
Lowest temperature: 26-28 degrees Celsius.
Highest temperature: 29-32 degrees Celsius.
Day and night there were heavy thunderstorms and strong winds.