According to the National Center for Hydro-Meteorological Forecasting, today, March 21, the Northern and North Central regions are gradually heating up after being affected by cold air.
The Northeast and Northwest regions will be cloudy, with rain in some places at night, fog in the early morning, and sunny during the day. Cold at night and morning. The highest temperature is from 25-27 degrees Celsius, some places are over 27 degrees Celsius.
Hanoi area is cloudy, no rain at night, sunny during the day. The lowest temperature is 16--18 degrees Celsius, the highest is 27-27 degrees Celsius. The temperature in Hanoi will continue to increase to 29 degrees Celsius from now until the weekend.
Thanh Hoa to Hue and Da Nang to Binh Thuan and the Central Highlands will have cloudy skies, with rain in some places and sunny days. The highest temperature is 23-27 degrees Celsius, some places are 28-31 degrees Celsius.
The South will continue to be hot today. Cloudy weather, showers and thunderstorms in some places in the late afternoon and night. The highest temperature is 31-34 degrees Celsius, especially in the East 34-36 degrees Celsius.

Hanoi
Lowest temperature: 16-18 degrees Celsius Highest temperature: 25-27 degrees Celsius
Cloudy, no rain at night, fog in some places in the early morning, sunny during the day. Northeast to east wind level 2-3. Cold at night and morning.
Northwest
Lowest temperature: 13-16 degrees Celsius, some places below 12 degrees Celsius Highest temperature: 24-27 degrees Celsius, some places above 27 degrees Celsius
Cloudy, some rain at night, some fog in the early morning, sunny during the day. Light wind. Cold at night and morning.
Northeast
Lowest temperature: 15-18 degrees Celsius, high mountainous areas below 12 degrees Celsius Highest temperature: 24-27 degrees Celsius
Cloudy, some rain at night, some fog in the early morning, sunny during the day. Northeast to east wind level 2-3. Cold at night and morning.
Thanh Hoa to Hue
Lowest temperature: 14-17 degrees Celsius Highest temperature: 23-26 degrees Celsius
The North is cloudy, with rain in some places at night, fog in some places in the early morning, and sunny during the day; the South is cloudy, with rain in some places. North to northwest wind level 2-3. Cold at night and morning.
Da Nang to Binh Thuan
Lowest temperature: North 18-21 degrees Celsius; South 22-24 degrees Celsius Highest temperature: North 24-27 degrees Celsius, South 28-31 degrees Celsius
The North is cloudy, with rain in some places; the South is cloudy, no rain at night, sunny during the day. Northeast wind level 2-3.
Central Highlands
Lowest temperature: 16-19 degrees Celsius Highest temperature: 26-29 degrees Celsius
Cloudy, showers and thunderstorms in some places in the evening and at night, sunny during the day. Northeast wind level 2-3.
Southern region
Lowest temperature: 24-27 degrees Celsius Highest temperature: 31-34 degrees Celsius; in the East 34-36 degrees Celsius
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, especially in the East. Northeast wind level 2-3.