According to the new weather forecast from the National Center for Hydro-Meteorological Forecasting, on November 4, cold air will continue to affect other places in the Northwest region and some places in the Central Central region.
The North and North Central regions are cold, the high mountains of the North have some places with severe cold. The lowest temperature in this cold air mass is generally from 16-19 degrees Celsius, in mountainous areas it is below 15 degrees Celsius.
There will be rain and cold weather in the Hanoi area. The lowest temperature is from 17-19 degrees Celsius.
At sea, the Gulf of Tonkin has northeast winds of level 6, sometimes level 7 at night, gusting to level 8, rough seas, waves 2.0-3.5m high. The northern sea area of the North East Sea will have strong northeast winds of level 6-7, gusting to level 8-9, rough seas, waves 3.0-5.0m high.
The sea area from South Quang Tri to Quang Ngai: northeast wind level 5, sometimes level 6, gust level 7-8, rough seas, waves 2.0 - 3.0m high.
Due to the influence of the strengthening cold air combined with disturbances in the high-altitude East wind zone, in the area from Ha Tinh to Hue City, there will continue to be widespread heavy rain.
Heavy rain is likely to cause flooding in low-lying areas; flash floods on small rivers and streams, landslides on steep slopes; heavy rain in a short period of time causes flooding in urban areas and industrial parks.

Typhoon Kalmaegi is forecast, from around the afternoon of November 4, the sea area east of the central East Sea will have winds gradually increasing to level 6-7, then increasing to level 8-10; near the storm center, level 11-13, gusting to level 15-16, waves 5.0-7.0m high. The sea is rough.
It is forecasted that at around 7pm on November 4, the storm will move westward, about 25km/h, reaching level 13, gusting to level 16.
People and tourists in the Northern and Central regions should pay attention to wearing warm clothes and thermal clothing when going out to ensure their health. Bring an umbrella and raincoat to prevent sudden changes in weather.
Weather forecast for today, November 4th nationwide:
City. Hanoi
Lowest temperature: 17-19 degrees Celsius.
Highest temperature: 19-21 degrees Celsius.
Cloudy, with rain.Northeast wind level 2-3.Cold weather.
Northwest
Lowest temperature: 17-20 degrees Celsius, some places below 16 degrees Celsius.
Highest temperature: 19-22 degrees Celsius, Lai Chau - Dien Bien 22-25 degrees Celsius.
Cloudy, rain at night; scattered rain during the day.Light wind.Cold weather, some places are very cold; Dien Bien - Lai Chau is cold.
Northeast
Lowest temperature: 16-19 degrees Celsius, mountainous areas below 15 degrees Celsius.
Highest temperature: 19-22 degrees Celsius, some places above 22 degrees Celsius.
Cloudy, rain at night; scattered rain during the day.Northeast wind level 2-3, coastal areas level 3-4.Cold weather, some mountainous areas are very cold.
Thanh Hoa to Hue
Lowest temperature: 18-21 degrees Celsius.
Highest temperature: North 20-23 degrees Celsius, South 24-26 degrees Celsius.
Cloudy, North has rain; South (Ha Tinh-TP.Hue) has moderate rain, heavy rain, locally very heavy rain and thunderstorms.North to northwest wind level 2-3, coastal areas level 3-4.Cold weather, cold in the North.
South Central Coast
Lowest temperature: 22-25 degrees Celsius.
Highest temperature: 29-32 degrees Celsius.
Showers and thunderstorms at night in some places; day with scattered showers and thunderstorms, locally heavy rain in some places.North East to Northeast wind level 2-3, South South Southwest wind level 2-3.During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Central Highlands
Lowest temperature: 18-21 degrees Celsius.
Highest temperature: 27-30 degrees Celsius.
Cloudy, scattered showers and thunderstorms in some places; in the afternoon and evening, there will be scattered showers and thunderstorms, locally heavy rain in some places.Light wind.During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Southern region
Lowest temperature: 23-26 degrees Celsius.
Highest temperature: 30-33 degrees Celsius.
Cloudy, scattered showers and thunderstorms in some places; in the afternoon and evening, there will be scattered showers and thunderstorms, locally heavy rain in some places.Light wind.During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Ho Chi Minh City
Lowest temperature: 24-26 degrees Celsius.
Highest temperature: 30-32 degrees Celsius.
Cloudy, scattered showers and thunderstorms in some places; in the afternoon and evening, there will be scattered showers and thunderstorms, locally heavy rain in some places.Light wind.During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.