According to the Southern Hydrometeorological Station, in the first days of August 2026, the low pressure trough will have its axis passing through the North Central region. Southwest monsoon is active with moderate to strong intensity. Above, the subtropical high pressure slowly encroaches westward and maintains stable intensity, while the upper air convergence zone gradually moves westward.
From mid to late week, the low pressure trough tends to gradually raise its axis to the North. The subtropical high pressure in the northern branch gradually weakens, while the southern branch encroaches westward and raises its axis to the North. Southwest monsoon intensity decreases but still maintains activity.
The weather in Ho Chi Minh City and the South is generally cloudy, with intermittent sunshine during the day. Showers and thunderstorms in some places at night and in the evening. From August 5th, rain will increase on a large scale, concentrated in the afternoon and evening, with moderate to heavy rain in many places; scattered showers and thunderstorms at night. In thunderstorms, it is necessary to watch out for tornadoes, lightning and strong gusts of wind.
The lowest common temperature is 24-27 degrees C, the highest is 32-35 degrees C, in some places above 35 degrees C. The average weekly temperature fluctuates from 27-29 degrees C, approximately or higher than the multi-year average of the same period.
In the sea area of Ho Chi Minh City, at the beginning of the week, West to Southwest wind level 3-4. From August 5, Southwest wind will gradually strengthen to level 4-5, in some places level 6; waves 1.5-2.5 m high, in some places higher. The sea has showers and thunderstorms, scattered to many places.
Total rainfall in the week is forecast to be commonly from 80-150 mm, approximately the average of many years in the same period; some places may exceed 150 mm. Rain will concentrate more at the weekend, locally with moderate to heavy rain.
