According to weather news from the National Center for Hydro-Meteorological Forecasting, around January 1, 2026, cold air will affect the Northeast region, then affect the North Central region, the Northwest region, the Central Central region and some places in the South Central region. Wind will shift to the Northeast strongly at level 3, coastal areas level 4-5, with gusts at level 6 in some places.
From tonight, December 31, 2025 to tomorrow, January 1, 2026, in the North, Thanh Hoa and Nghe An, there will be rain, scattered showers and thunderstorms in some places.
In the Northern and North Central regions from January 1, 2026, the weather will turn cold, especially in the mountainous and midland areas of the Northern region, it will be very cold, with severe cold in some places. The lowest temperature in this cold air wave in the Northern region is commonly from 11-14 degrees Celsius, in the mountainous and midland areas of the Northern region 8-11 degrees Celsius, in high mountainous areas there are places below 7 degrees Celsius; North Central region is commonly from 13-16 degrees Celsius.
Hanoi area tonight and tomorrow will have rain, showers; from tomorrow afternoon it will turn cold. The lowest temperature in this cold air wave is commonly 12-14 degrees Celsius.
Other areas will be cloudy, with showers in some places at night, sunny during the day.
People and tourists in the Northern region going out to watch fireworks on New Year's Eve should pay attention to wearing warm clothes and heat-retaining clothing. Don't forget umbrellas and raincoats to prevent sudden weather changes.

Weather forecast for today, December 31st, nationwide:
City of Hanoi
Lowest temperature: 18-20 degrees C.
Highest temperature: 22-24 degrees C, in some places above 24 degrees C.
Cloudy, with light rain in some places, early morning fog and light fog scattered.Southeast wind level 2-3.Cold at night and in the morning.
Northwest
Lowest temperature: 16-19 degrees C, in some places below 14 degrees C.
Highest temperature: 22-25 degrees C, in some places above 25 degrees C.
Cloudy, night with light rain in some places, early morning fog and light fog scattered, sunny skies in the afternoon.Light wind.Cold at night and in the morning, in some places very cold, harmful cold.
Northeast
Lowest temperature: 17-20 degrees C, mountainous areas in some places below 15 degrees C.
Highest temperature: 21-24 degrees C, in some places above 24 degrees C.
Cloudy, with light rain in some places, early morning fog and light fog scattered.Southeast wind level 2-3.Cold at night and in the morning, mountainous areas in some places are very cold and harmful.
Thanh Hoa to Hue
Lowest temperature: 18-21 degrees C.
Highest temperature: 24-27 degrees C.
Cloudy, with light rain in some places, early morning fog and light fog scattered, sunny skies in the afternoon.Light wind.Cold at night and in the morning.
South Central Coast
Lowest temperature: 20-23 degrees C.
Highest temperature: 26-29 degrees C.
Cloudy, with light rain in some places, sunny in the afternoon.Northeast wind level 2-3.
Central Highlands
Lowest temperature: 14-17 degrees C.
Highest temperature: 25-28 degrees C, in some places above 28 degrees C.
Cloudy, showers in some places at night, sunny during the day.Northeast wind level 2-3.
Southern region
Lowest temperature: 21-24 degrees C, the East in some places below 21 degrees C.
Highest temperature: 29-32 degrees C, in some places above 32 degrees C.
Cloudy, showers in some places at night, sunny during the day.Northeast wind level 2-3.
Ho Chi Minh City
Lowest temperature: 21-23 degrees C.
Highest temperature: 29-31 degrees C.
Cloudy, no rain at night, sunny during the day.Northeast wind level 2-3.