According to the National Center for Hydro-Meteorological Forecasting, the Northern region will have cloudy weather, with rain, moderate rain and thunderstorms, with some places having heavy to very heavy rain. The highest temperature is from 30-33 degrees Celsius, some places above 33 degrees Celsius.
The Hanoi area will have cloudy skies, sometimes showers and thunderstorms, and intermittent sunny days. The highest temperature is from 32-34 degrees Celsius. People and tourists attending the first general training session of the A80 parade should pay attention to bringing umbrellas and raincoats to prevent sudden changes in weather.
The area from Thanh Hoa to Hue and the South Central Coast will be cloudy, with scattered showers and thunderstorms at night; sunny during the day, with hot weather in some places, and scattered showers and thunderstorms in the evening. The highest temperature is from 32-35 degrees Celsius, some places above 35 degrees Celsius.
Other areas will have cloudy weather, with scattered showers and thunderstorms in some places, with scattered showers and thunderstorms in the afternoon and evening, with some places having heavy to very heavy rain.
People and tourists should be on guard during thunderstorms with the possibility of tornadoes, lightning and strong gusts of wind.

Weather forecast for today, August 21 at:
City. Hanoi
Lowest temperature: 25-27 degrees Celsius.
Highest temperature: 32-34 degrees Celsius.
Cloudy, sometimes with showers and thunderstorms, intermittent sunshine during the day. Southeast to south wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Northwest
Lowest temperature: 23-26 degrees Celsius, some places below 23 degrees Celsius.
Highest temperature: 30-33 degrees Celsius, some places above 33 degrees Celsius; Dien Bien and Lai Chau 26-29 degrees Celsius.
Cloudy, with rain, moderate rain and thunderstorms, locally heavy to very heavy rain. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northeast
Lowest temperature: 24-27 degrees Celsius, some places below 24 degrees Celsius.
Highest temperature: 30-33 degrees Celsius, some places above 33 degrees Celsius.
Cloudy, scattered showers and thunderstorms, locally heavy rain, especially in mountainous areas with rain, moderate rain and thunderstorms, locally heavy to very heavy rain. Southeast to south wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Thanh Hoa to Hue
Lowest temperature: 24-27 degrees Celsius.
Highest temperature: 32-35 degrees Celsius, some places above 35 degrees Celsius.
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, some places have hot sunshine. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
South Central Coast
Lowest temperature: 25-28 degrees Celsius.
Highest temperature: 32-35 degrees Celsius, some places above 35 degrees Celsius.
Cloudy, scattered showers and thunderstorms at night; sunny during the day, some places are hot, scattered showers and thunderstorms in the evening. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Central Highlands
Lowest temperature: 20-23 degrees Celsius.
Highest temperature: 28-31 degrees Celsius.
Cloudy, with showers and thunderstorms in some places, in the afternoon and evening there will be showers and scattered thunderstorms, with some places having heavy to very heavy rain. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Southern region
Lowest temperature: 24-27 degrees Celsius.
Highest temperature: 31-34 degrees Celsius.
Cloudy, with showers and thunderstorms in some places, in the afternoon and evening there will be showers and scattered thunderstorms, with some places having heavy to very heavy rain. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Ho Chi Minh City
Lowest temperature: 25-27 degrees Celsius.
Highest temperature: 31-33 degrees Celsius.
Cloudy, with showers and thunderstorms in some places, in the afternoon and evening there will be showers and scattered thunderstorms, with some places having heavy to very heavy rain. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.