Thailand Weather Forecast: Heavy Rainfall Expected Nationwide

According to a report by Prachachat Business, the Thai Meteorological Department (TMD) has released a weather forecast for July 29, 2026, indicating that heavy to very heavy rainfall is expected in some areas of Thailand. This weather pattern is attributed to a monsoon trough currently passing through the upper northern and northeastern regions of the country. Additionally, the southwest monsoon covering the Andaman Sea and the Gulf of Thailand is reported to be relatively strong.

For residents and travelers in Bangkok, the forecast predicts rain covering approximately 70% of the metropolitan area. The TMD has issued a specific advisory for mariners operating in the Andaman Sea, urging caution due to the intensified monsoon conditions.

For those currently in Thailand or planning travel, these conditions may lead to localized flooding or travel disruptions, particularly in areas prone to heavy downpours. It is advisable to monitor local news outlets and official TMD updates for real-time weather alerts. While the current forecast highlights the risk of heavy rain, specific impacts on transportation schedules or outdoor activities remain subject to change based on the movement of the monsoon trough. Travelers should exercise caution when near coastal areas or regions experiencing significant rainfall.