According to the latest weather forecast from the National Center for Hydro-Meteorological Forecasting, this morning, May 10, cold air has affected some places in the northern mountainous region and the Northeast.
The North and North Central regions will have cloudy weather, scattered showers and thunderstorms, locally heavy rain; from tomorrow afternoon there will be moderate rain, heavy rain and thunderstorms, locally very heavy rain.
It is forecasted that around the afternoon and night of May 10, the cold air will strengthen, affecting other places in the Northeast, North Central and most places in the Northwest, then affecting some places in the Central Central. On land, the wind will shift to the Northeast level 2-3; coastal areas will have Northeast wind level 3-4, gusting to level 6.

From the night of May 10, the North and North Central regions will turn cool, and some mountainous areas in the North will be cold. The lowest temperature in this cold air mass in the North and North Central regions will generally be from 20-23 degrees Celsius, with some mountainous areas in the North below 18 degrees Celsius.
Weather forecast for Hanoi from the night of May 10 will turn cool. The lowest temperature in this cold air mass is generally 21-23 degrees Celsius.
In the Gulf of Tonkin and the northern sea area of the North East Sea, the Northeast wind will be level 4-5, gradually increasing to level 6, sometimes level 7, gusting to level 8; rough seas; waves 1.5-2.5m high.
People and tourists in the Northern and Central regions can enjoy a cool weekend. Note to bring an umbrella or raincoat outside to prevent sudden changes in weather.