According to the National Center for Hydro-Meteorological Forecasting, cold air has been arriving since the night of April 23, causing the temperature in the North to drop slightly by 2-4 degrees Celsius.
The Northern region, including Hanoi, is cloudy, with showers and scattered thunderstorms in the evening and at night, with some places having heavy rain; showers and thunderstorms in some places during the day. The highest temperature is from 30-33 degrees Celsius, some places above 33 degrees Celsius.
Thanh Hoa to Binh Thuan area will have cloudy sky, showers and thunderstorms in the evening and at night; hot sunny day, some places are very hot. The highest temperature is from 33-37 degrees Celsius, some places up to over 38 degrees Celsius.
Other areas will have showers and thunderstorms in some places in the evening and at night. People and tourists going out should be on guard against thunderstorms with the possibility of tornadoes, lightning and strong gusts of wind.

Weather forecast for today in Hanoi
Lowest temperature: 2426 degrees Celsius Highest temperature: 3133 degrees Celsius, some places above 33 degrees Celsius
Cloudy, with showers and thunderstorms in some places; in the late afternoon, there will be scattered showers and thunderstorms. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Weather forecast for today in the Northwest
Lowest temperature: 2225 degrees Celsius, some places below 22 degrees Celsius Highest temperature: 3134 degrees Celsius
Cloudy, showers and thunderstorms in the evening and at night, locally heavy rain; showers and thunderstorms in some places during the day. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Weather forecast for today in the Northeast
Lowest temperature: 2225 degrees Celsius Highest temperature: 3033 degrees Celsius, some places above 33 degrees Celsius Cloudy, mountainous and midland areas have showers and scattered thunderstorms in the evening and at night, locally heavy rain; showers and thunderstorms in some places during the day.
The plains have scattered showers and thunderstorms; in the late afternoon, there are scattered showers and thunderstorms. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Weather forecast for today in the area from Thanh Hoa to Hue
Lowest temperature: 2427 degrees Celsius Highest temperature: 3538 degrees Celsius, some places above 38 degrees Celsius
Cloudy, showers and thunderstorms in some places in the evening and at night; hot sunny during the day, some places are very hot. In the North, there will be scattered showers and thunderstorms in the evening. Light wind. People and tourists need to be on guard during thunderstorms with the possibility of tornadoes, lightning, hail and strong gusts of wind
Weather forecast for today in the area from Da Nang to Binh Thuan
Lowest temperature: 2427 degrees Celsius Highest temperature: North 3437 degrees Celsius, some places above 37 degrees Celsius; South 3234 degrees Celsius
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, the North has hot weather, some places have severe heat. Light wind.
Weather forecast for today in the Central Highlands
Lowest temperature: 2124 degrees Celsius Highest temperature: 3134 degrees Celsius, some places above 35 degrees Celsius
Cloudy, scattered showers and thunderstorms at night; sunny during the day, some places are hot. In the late afternoon and evening, there will be scattered showers and thunderstorms, with some places having heavy rain. Southwest wind level 2-3.
Weather forecast for today in the South
Lowest temperature: 2427 degrees Celsius Highest temperature: 3134 degrees Celsius, some places above 35 degrees Celsius
Cloudy, scattered showers and thunderstorms at night; sunny during the day, some places are hot. In the late afternoon and evening, there will be scattered showers and thunderstorms, with some places having heavy rain. Southwest wind level 23. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.