Thailand
05 October 2026 - 11 October 2026The easterly and southeasterly winds prevailed over upper Thailand at the beginning of the week and prevailed over the lower northeastern, eastern region and the upper Gulf of Thailand in the second half of the week. Meanwhile, the high-pressure area from China extended its ridge to cover upper Thailand almost the week. At the end of the week, another high-pressure area from China extended its ridge to cover the northern and northeastern region and the South China Sea. These conditions caused rainfall over upper Thailand, mainly at the beginning and the end of the week. In the southern region, the southwest monsoon prevailed over the Andaman Sea and Thailand at the beginning of the week inaddition with the monsoon trough lay across the Gulf of Thailand and the southern region during the second half of the week, causing plentiful rainfall over the southern region almost the week.
Region Weather Summary
05 October 2026 - 11 October 2026Northern
Scattered to fairly widespread rain at the beginning and the end of the week while isolated rain in the middle of the week. Heavy rainfall occurred in some areas mainly in the first half of the week. Flooding continued from the last week in Phitsanulok province. Flooding were reported in Mae Hong Son, Chiang Mai, Lamphun, Nan, Phayao and Tak provinces during 5-6 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 69.0 mm at Ban Hong Lamphun on 5 Oct. |
Northeastern
Isolated rain almost the week except for scattered rain on 5 and 10 Oct. with heavy rainfall to very heavy rainfall in some areas on 5, 6 and 10 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 190.0 mm at Phu Luang Wildlife Sanctuary, Phu Luang Loei on 6 Oct. |
Central
Fairly widespread rain with heavy to very heavy rainfall in some areas at the beginning and the end of the week while isolated to scattered rain at the middle of the week. Flooding continued from the last week in Lop Buri, Ratchaburi, Nakhon Sawan, Suphan Buri, Phra Nakhon Si Ayutthaya, Uthai Thani, Ang Thong, Saraburi, Chai Nat, Sing Buri and Kanchanaburi provinces.
| Max Rain | Max. Temp. | Min. Temp. |
| 156.4 mm at Dan Makham Tia Kanchanaburi on 5 Oct. |
Eastern
Scattered to fairly widespread rain except for isolated rain during 8-9 Oct. with heavy rainfall in some areas on 5, 6 and 10 Oct. Flooding continued from the last week in Prachin Buri, Rayong, Chanthaburi, Trat, Nakhon Nayok, Chon Buri, Chachoengsao and Sa Kaeo provinces.
| Max Rain | Max. Temp. | Min. Temp. |
| 75.0 mm at Khao Cha Mao Rayong on 5 Oct. |
Southern (East Coast)
Scattered rain except for fairly widespread rain on the first and the end of the week with heavy rainfall in some areas throughout the week and very heavy rainfall in some areas on 5, 9 and 11 Oct. Flooding was reported in Phetchaburi province on 6 and 11 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 172.6 mm at Phibun Nakhon Si Thammarat on 5 Oct. |
Southern (West Coast)
Fairly widespread rain almost the week with heavy rainfall in some areas.
| Max Rain | Max. Temp. | Min. Temp. |
| 67.0 mm at Mueang Ranong Ranong on 6 Oct. |
Bangkok Metropolitan
Fairly widespread rain with heavy rainfall in some areas at the beginning of the week then isolated to scattered rain. Flooding continued from the last week in Bangkok, Samut Prakan, Nakhon Pathom, Nonthaburi and Pathum Thani provinces.
| Max Rain | Max. Temp. | Min. Temp. |
| 80.0 mm at Wat Sutthi Sa-at School, Khet Khlong Sam Wa on 5 Oct. (54.2 mm at Wat Khemapirataram School, Mueang Nonthaburi Nonthaburi on 5 Oct.) |
Announcement Date 12 October 2026 12:39