According to the National Center for Hydro-Meteorological Forecasting, today May 4, cold air is coming down, causing the temperature in the North to drop.
The weather in the North maintains a cloudy state, with moderate rain at night, in some places heavy to very heavy rain with thunderstorms, scattered rain during the day, cool weather with a common temperature of 19-29 degrees C; Hanoi alone fluctuates around 20-29 degrees C.
The Central region from Thanh Hoa to Hue has scattered showers and thunderstorms at night and in the morning, sunny days, temperatures around 27-30 degrees C; the South Central Coast region is sunny, in some places above 33 degrees C, local thunderstorms in the evening. The Central Highlands is sunny during the day, showers and thunderstorms in some places in the evening, highest temperature 31-34 degrees C.
The weather in the South continues to be sunny during the day, with scattered showers and thunderstorms in the late afternoon and evening, the common temperature is 32-35 degrees Celsius; in Ho Chi Minh City about 32-34 degrees Celsius. During thunderstorms, areas are likely to experience tornadoes, lightning and strong gusts of wind.
People and tourists going out should pay attention to bringing umbrellas and raincoats to prevent sudden weather changes.

Weather forecast today May 4th nationwide
Hanoi City
Lowest temperature: 20-22 degrees C.
Highest temperature: 27-29 degrees C.
Cloudy, rain, moderate rain and scattered thunderstorms at night, locally heavy to very heavy rain; showers and thunderstorms in some places during the day. Northeast wind level 2-3. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northwest
Lowest temperature: 19-22 degrees C, mountainous areas in some places below 19 degrees C.
Highest temperature: 26-29 degrees C, in some places below 26 degrees C.
Cloudy, rain, moderate rain and scattered thunderstorms at night, locally heavy to very heavy rain; showers and thunderstorms in some places during the day. Light wind. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northeast
Lowest temperature: 19-22 degrees C, mountainous areas in some places below 19 degrees C.
Highest temperature: 26-29 degrees C, mountainous areas in some places below 26 degrees C.
Cloudy, rain, moderate rain and scattered thunderstorms at night, locally heavy to very heavy rain; showers and thunderstorms in some places during the day. Light wind, from night Northeast wind level 2-3, coastal areas level 3-4. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Thanh Hoa to Hue
Lowest temperature: 21-24 degrees C.
Highest temperature: 27-30 degrees C.
Cloudy, showers and scattered thunderstorms at night and in the morning, locally heavy rain. Light wind, especially North to Northwest wind level 2-3. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
South Central Coast
Lowest temperature: 24-27 degrees C.
Highest temperature: 30-33 degrees C, in some places above 33 degrees C.
Cloudy, showers and thunderstorms in some places in the evening and at night, sunny during the day. Light wind. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Central Highlands
Lowest temperature: 20-23 degrees C.
Highest temperature: 31-34 degrees C, in some places above 34 degrees C.
Cloudy, showers and thunderstorms in some places in the late afternoon and night, especially in the South in the late afternoon and evening with scattered showers and thunderstorms in some places; sunny day. Light wind. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Southern region
Lowest temperature: 25-28 degrees C.
Highest temperature: 32-35 degrees C.
Cloudy, scattered showers and thunderstorms in the late afternoon and evening in some places, showers and thunderstorms in some places at night; sunny during the day. Light wind. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Ho Chi Minh City
Lowest temperature: 25-27 degrees C.
Highest temperature: 32-34 degrees C.
Cloudy, scattered showers and thunderstorms in some places in the evening, showers in some places at night; sunny during the day. Light wind. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.