The National Center for Hydro-Meteorological Forecasting, Hydrometeorological Department has provided information on the weather situation and natural disasters nationwide in the period from January 18, 2026 to January 25, 2026. Accordingly, the weather in this period will have many fluctuations due to the impact of a strong cold air wave.
The Northern region from January 18 - 19, forecast no rain, light fog in the morning, sunny at noon and afternoon, cold at night and in the morning.
From the afternoon of January 20 - 21, the North will be affected by strong northeast monsoon, with the possibility of rain, cold weather; the period from January 21 - 25 is likely to experience severe cold, severe cold in mountainous areas.
Hanoi area from January 18 - 20, no rain, light fog in the early morning, sunny during the day, cold at night and in the morning. In the afternoon and night of January 20 - 21, Hanoi will be affected by strong northeast monsoon, so there is a possibility of rain.
From January 21 - 25, Hanoi is likely to experience severe cold. The lowest temperature at night is 11 - 13 degrees C, the highest during the day is about 15 - 17 degrees C.
The Central region from January 18 - 20, it is generally forecast to be without rain, sunny days; the area from Thanh Hoa province to Hue city will be cold at night and in the morning. From January 21 - 23, the area from Quang Tri province to Quang Ngai province will have rain and showers.
From January 24 - 25, the weather will be stable, with little rain. The area from Thanh Hoa province to Hue city will continue to be cold, with severe cold in some places in the North.
The Central Highlands and Southern regions from January 18 - 25, generally no rain, sunny days, light fog in the morning; especially the Central Highlands, it will be cold at night and in the morning.
According to the meteorological agency, forecasting the average temperature trend, in the next month, the average temperature in most areas across the country is generally at nearly the same level, in some places higher than 0.5 - 1 degree Celsius compared to the multi-year average of the same period.
Cold air is likely to be weaker than the average for many years, but it still causes short-term severe cold spells in the northern mountainous region and may be accompanied by frost and ice.
Strong winds due to the influence of cold air can cause large waves at sea and affect the operation of ships and boats.