China · The Thaiger
Thailand weather today, 12 September: heavy rain in 29 provinces, Bangkok 24-34°C
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◌ Single Source
A high-pressure system from China extends over the upper North and upper Northeast of Thailand today. A monsoon trough crosses the lower Central region, the upper South, the upper Gulf and the East. It links to an active low-pressure cell off the coast of middle Vietnam. Isolated heavy to very heavy rain is likely in the upper South. Isolated heavy rain is also possible in the lower Northeast, lower Central region, the East and the South.
Key facts
- A high-pressure system from China extends over the upper North and upper Northeast of Thailand today
- Bangkok sees fairly widespread thundershowers with isolated thundershowers through the forecast window
- Source: Thai Meteorological Department daily forecast, announcement of 12 September 2026.
- Temperatures range from 21-26°C to 31-36°C, with easterly winds of 10 to 20km/h.
Summary
Bangkok sees fairly widespread thundershowers with isolated thundershowers through the forecast window. Temperatures range from 24-25°C to 33-34°C. Northwesterly winds of 10 to 20km/h are expected.
In the North, scattered thundershowers are likely in Mae Hong Son, Chiang Mai and Tak. Phichit, Kamphaeng Phet and Phetchabun can also expect showers. Temperatures range from 21-26°C to 31-36°C, with easterly winds of 10 to 20km/h.