Cold air has returned, Hai Duong is very cold at night and early morning.

In the North, North and Central Central regions, the weather continues to be cold. From the night of January 10-12, the mountainous and midland areas of the North will experience severe cold, with the possibility of frost and frost in the high mountains; the Northern Delta and Thanh Hoa regions will experience severe cold. The lowest temperature during this cold spell in the North will generally be 9-12 degrees Celsius, in the mountainous areas of the North 6-9 degrees Celsius, in the high mountains below 5 degrees Celsius in some places; in the North Central region, it will be 10-13 degrees Celsius; in the area from Quang Binh to Hue, it will be 14-17 degrees Celsius.

Hanoi area is cold, from the night of January 10-12, it is very cold. The lowest temperature in this cold air mass is commonly 9-12 degrees Celsius.

At sea, in the North and Central East Sea (including Hoang Sa sea area), the sea area west of the South East Sea (including the sea area west of Truong Sa), the sea area from Phu Yen to Binh Thuan, the Northeast wind gradually increases to level 7, gusting to level 8-9, rough seas, waves 4-6 m high.

Sea area from Ba Ria - Vung Tau to Ca Mau, strong northeast wind level 6-7, gust level 8-9, rough sea, waves 4-6 m high.

In the Gulf of Tonkin, the sea area from Quang Tri to Binh Dinh, the Northeast wind is strong at level 6, sometimes level 7, gusting to level 8-9, the sea is rough, waves are 2-5 m high.

Due to the influence of strengthening cold air, the area from Ha Tinh to Binh Dinh has rain, showers and scattered thunderstorms, locally heavy rain.

From the night of January 10-12, the mountainous and midland areas of the North will experience severe cold; high mountainous areas may experience frost and frost; the Northern Delta and Thanh Hoa will experience severe cold.

Thunderstorms may cause tornadoes, lightning and strong gusts of wind.

Weather forecast for regions across the country:

Hanoi capital is cloudy, sunny during the day, no rain at night. Northeast wind level 3. Cold weather. Lowest temperature 12-14 degrees Celsius. Highest temperature 18-20 degrees Celsius

The Northwest region is cloudy, sunny during the day, with some rain at night. Light wind. Cold weather. Lowest temperature 11-14 degrees Celsius, some places below 11 degrees Celsius. Highest temperature 17-20 degrees Celsius, some places in the Northwest region above 20 degrees Celsius.

The Northeast region is cloudy, sunny during the day, with some rain at night, especially in the mountainous areas of the North, it is cloudy and has some rain. Northeast wind level 3, coastal areas level 3-4. Cold weather, some mountainous areas have severe cold. Lowest temperature 11-14 degrees Celsius, mountainous areas 8-11 degrees Celsius, some places below 5 degrees Celsius. Highest temperature 17-20 degrees Celsius.

From Thanh Hoa to Hue city, cloudy with rain, showers, locally heavy rain. North to northwest wind level 3, coastal areas level 3-4. Cold weather. Lowest temperature in the North 14-16 degrees Celsius, South 17-19 degrees Celsius. Highest temperature in the North 17-19 degrees Celsius, South 20-22 degrees Celsius.

Provinces and cities from Da Nang to Binh Thuan, the North is cloudy with rain, showers, locally heavy rain and thunderstorms; the South is cloudy, with showers and thunderstorms in some places. Northeast wind level 3, coastal areas level 3-4, some places have gusts of level 6. The lowest temperature in the North is 19-22 degrees Celsius, in the South is 22-24 degrees Celsius. The highest temperature in the North is 22-25 degrees Celsius, in the South is 26-29 degrees Celsius, some places are over 30 degrees Celsius.

The Central Highlands region is cloudy, sunny during the day, no rain at night. Northeast wind level 2-3. Lowest temperature 14-17 degrees Celsius. Highest temperature 24-27 degrees Celsius.

The South is cloudy, sunny during the day, no rain at night. Northeast wind level 2-3. Lowest temperature 21-24 degrees Celsius, in the East some places below 20 degrees Celsius. Highest temperature 30-33 degrees Celsius.