The Thai Meteorological Department forecasts heavy rain in 32 provinces today, with the North, Northeast and South hit hardest. Bangkok can expect scattered thundershowers with gusts through the day.
A high-pressure system from China is moving over the upper Northeast. It brings thundershowers, gusty wind and lightning to the upper country. The same system is linked to isolated heavy rain in the lower South. Authorities warn of flash floods and accumulated rain in low-lying areas near waterways and foothills.
The department also flags a multi-day outlook from 8-13 October. A fresh high-pressure system and a monsoon trough are expected during that period. Heavy to very heavy rain may hit the East, Central region, Bangkok and the South.
Bangkok
The capital sees scattered thundershowers with gusts today. Lows of 26-27°C and highs of 33-36°C are expected, with southerly winds of 10 to 15km/h.
North
Isolated thundershowers with gusts and heavy rain are forecast in Chiang Rai, Phayao, Nan, Phrae and Uttaradit. Sukhothai and Phitsanulok also face the same conditions. Lows of 23-27°C and highs of 33-38°C are expected, with southwesterly winds of 10 to 15km/h.
Northeast
Scattered thundershowers with gusts and heavy rain hit Loei, Nong Bua Lamphu, Udon Thani, Nong Khai, Bueng Kan, Sakon Nakhon and Nakhon Phanom. Mukdahan, Yasothon, Kalasin, Roi Et, Amnat Charoen, Si Sa Ket and Ubon Ratchathani face the same risk. Lows of 23-25°C and highs of 32-35°C are expected, with southeasterly winds of 10 to 15km/h.
Central
Scattered thundershowers with gusts are forecast mostly in Lopburi, Saraburi, Phra Nakhon Si Ayutthaya and Suphan Buri. Kanchanaburi, Ratchaburi and Nakhon Pathom face the same conditions. Lows of 23-27°C and highs of 35-37°C are expected, with southerly winds of 10 to 15km/h.
East
Scattered thundershowers with gusts are forecast mostly in Nakhon Nayok, Prachin Buri, Chachoengsao and Chon Buri. Rayong, Chanthaburi and Trat face the same conditions. Lows of 24-27°C and highs of 32-35°C are expected, with southeasterly winds of 10 to 30km/h. Waves reach 1-2 metres, above 2 metres in thundershowers.
South (east coast)
Scattered thundershowers and isolated heavy rain are forecast in Surat Thani, Nakhon Si Thammarat, Phatthalung and Songkhla. Yala and Narathiwat face the same conditions. Lows of 23-25°C and highs of 33-35°C are expected, with westerly winds of 10 to 30km/h. Waves reach 1-2 metres, above 2 metres in thundershowers.
South (west coast)
Scattered thundershowers and isolated heavy rain are forecast in Phang Nga, Phuket, Krabi, Trang and Satun. Lows of 23-26°C and highs of 31-34°C are expected, with northwesterly winds of 15 to 30km/h. Waves reach about 1 metre, above 2 metres in thundershowers.
Warnings
People in affected areas should beware of thundershowers, gusty wind and heavy rain. They should avoid open areas, large trees and unstable billboards. Residents near waterways and foothills should watch for flash floods, overflows and landslides from accumulated rain. Ships in the Andaman Sea and the Gulf should steer clear of thundershowers. The department notes heavy to very heavy rain may return to the East, Central region, Bangkok and the South between 8 and 13 October.
Source: Thai Meteorological Department daily forecast, announcement of 04 October 2026.
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