According to updates from the National Center for Hydro-Meteorological Forecasting, the weak cold air wave affecting the North and North Central regions will decrease and end around March 28.
Before this time, the area still maintained a cool morning state, with rain in some places, accompanied by fog and light fog scattered; sunny in the afternoon.
From the night of March 28 to about April 5, the weather in the North will turn to little rain, sunny days, especially mountainous areas may experience scattered showers and thunderstorms in the night of March 28-29. 3.
This weather condition is quite favorable for weekend trips, but it should be noted that early morning fog can affect visibility.
Notably, from around March 30-31, hot weather began to increase rapidly. The Northern Delta region is likely to experience widespread hot weather, the highest temperature is commonly 35-36 degrees Celsius, with some places above 36 degrees Celsius.
In the Northwest and the area from Thanh Hoa to Hue, hot weather may expand from about March 30 to April 2, with a base temperature of 35-37 degrees C, locally above 38 degrees C.
This is identified as the first widespread heat wave in 2026 in the North and Central regions, appearing earlier than the multi-year average.
Meanwhile, other areas such as the Central Highlands and Southeast continue to maintain sunny days, with hot sun in some places; showers and localized thunderstorms may appear in the late afternoon and night.
Along with hot weather, seasonal changes also contain many dangerous phenomena. Rainstorms can be accompanied by tornadoes, lightning, hail and strong gusts of wind, appearing scattered throughout the country, especially in the Northern region.
It is forecasted that in April, cold air will continue to weaken in intensity and frequency. The average temperature across the country is generally close to the multi-year average, especially in the North and the area from Thanh Hoa to Nghe An, it tends to be about 0.5-1 degree Celsius higher.
Regarding the rain trend, in April, seasonal rains may appear in the Northwest, North Central, Central Highlands and South. Total rainfall in general does not fluctuate much compared to the multi-year average, but it is necessary to be wary of localized moderate to heavy rains in the following period.
The weather forecast from now until early April has clear seasonal transition characteristics: cold air weakening rapidly, increased and expanding heat, interspersed with sudden thunderstorms.
Tourists should regularly update weather forecasts to adjust their schedules, especially when traveling to mountainous areas or participating in outdoor activities during peak heat.