According to the National Center for Hydro-Meteorological Forecasting, the weather forecast is around March 27-28, the Northwest region is likely to experience widespread hot sun, the highest temperature is commonly 35-36 degrees C.
From March 29, hot weather tends to expand, localized hot weather appears throughout the North; in which the Northwest region may reach 36-37 degrees C, the Northeast region is commonly 34-35 degrees C.
In Hanoi, the weather forecast from now until the end of the week maintains a cloudy state in the morning, sunny in the afternoon, the highest temperature is about 31-33 degrees C. Hanoi will welcome weak intensified cold air around March 29, the temperature will decrease slightly, the weather will be cool.
From around March 30, the base temperature will increase by 2-3 degrees, the highest level is commonly 34-35 degrees C, approaching the hot sun threshold.
According to forecasts from AccuWeather, on March 30-31, Hanoi may record the peak of the first heat wave, with the highest temperature reaching about 37 degrees Celsius.
Before entering the hot spell, the weather in the North still maintains a cloudy morning pattern, with light rain in some places, and sunny skies in the afternoon.
Especially in the Northern mountainous region, in the period of March 28-29, there may be scattered showers and thunderstorms, with locally heavy rain. Extreme weather phenomena such as tornadoes, lightning, hail and strong gusts of wind are likely to be accompanied by thunderstorms.
Previously, due to the influence of the high-altitude wind convergence zone, from the evening of March 21 to the morning of March 23, the northern mountainous area experienced rain, with moderate to heavy rain in some places, accompanied by thunderstorms and hail, causing damage in some localities such as Lao Cai, Son La, Dien Bien, Phu Tho.
In the North Central region, from March 29, the western provinces of Thanh Hoa, Nghe An, and Ha Tinh are also forecast to experience localized hot weather, with the highest temperature of 35-36 degrees Celsius and possibly lasting for many days afterwards.
In the Southeast region, hot weather has appeared locally in recent days with the highest temperature of 35-36 degrees Celsius. It is forecast that hot weather will continue to be maintained in March and in April will expand to the Central Highlands and the Southwest region. This is also the peak period of drought and saltwater intrusion in the Mekong Delta region.
Weather forecast models also show that around March 29, due to the strong impact of the hot low pressure area in the West, the Northwest region and the Central mountainous region are likely to experience widespread heat waves, with common temperatures of 35-36 degrees Celsius, and in some places above 36 degrees Celsius - which is considered the first heat wave in 2026.
Before the increasing hot weather and the first heat wave of 2026 is about to appear, tourists need to proactively adjust their schedules and prepare carefully to ensure health safety.
Limit outdoor sightseeing from 11am to 3pm - the time of highest temperature, strong radiation, easily causing heatstroke, exhaustion. Limit outdoor sightseeing from 11am to 3pm - the time of highest temperature, strong radiation, easily causing heatstroke, exhaustion.
