Thailand
02 October 2026 - 08 October 2026The southerly and southeasterly winds prevailed over the lower northeastern region, the eastern region and the Gulf of Thailand in the first half of the period, after that the easterly winds prevailed over upper Thailand. In addition, the southwest monsoon prevailed over the Andaman Sea and Thailand at the beginning and the middle of the period. The high-pressure area from China extended its ridge to cover upper Thailand in the second half of the period, causing the monsoon trough to shift southward to lie across the Gulf of Thailand and the southern region on the last day of the period. These conditions caused rainfall in upper Thailand mainly at the beginning and the middle of the period. The southern region experienced rainfall almost the period.
Region Weather Summary
02 October 2026 - 08 October 2026Northern
Scattered to fairly widespread rain in the middle of the period. Isolated rain on the rest days. Heavy rainfall occurred in some areas during 4-7 Oct. Flooding was reported in Mae Hong Son, Chiang Mai, Lamphun, Nan, Phayao and Tak provinces during 5-6 Oct., and Phitsanulok province on 8 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 90.0 mm at Ban Khok Uttaradit on 4 Oct. |
Northeastern
Isolated to scattered rain except for fairly widespread rain on 4 Oct. with heavy rainfall in some areas almost the period and very heavy rainfall in some areas on 4 and 6 Oct. Flooding continued from the last period in Chaiyaphum , Buriram, Surin and Yasothon provinces during 2 - 4 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 190.0 mm at Phu Luang Wildlife Sanctuary, Phu Luang Loei on 6 Oct. |
Central
Isolated rain with heavy rainfall in some areas except for fairly widespread rain during 5-6 Oct. with heavy to very heavy rainfall. Flooding continued from the last period in Lop Buri, Ratchaburi, Nakhon Sawan, Suphan Buri, Phra Nakhon Si Ayutthaya, Uthai Thani, Ang Thong, Saraburi, Chai Nat, Sing Buri and Kanchanaburi provinces during 2-8 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 156.4 mm at Dan Makham Tia Kanchanaburi on 6 Oct. |
Eastern
Scattered to fairly widespread rain almost the period with heavy rainfall in some areas on 2 , 3 and 5 Oct. Flooding continued from the last period in Prachin Buri, Rayong, Chanthaburi, Trat, Nakhon Nayok, Chon Buri, Chachoengsao and Sa Kaeo provinces during 2-8 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 53.0 mm at Na Yai Am Chanthaburi on 5 Oct |
Southern (East Coast)
Scattered to fairly widespread rain almost the period. Flooding was reported in Phetchaburi province during 2-6 Oct.
| Max Rain | Max. Temp. | Min. Temp. |
| 172.6 mm at Phibun Nakhon Si Thammarat on 5 Oct. |
Southern (West Coast)
Scattered to fairly widespread rain with heavy rainfall in some areas almost the period.
| Max Rain | Max. Temp. | Min. Temp. |
| 110.0 mm at Mueang Ranong Ranong on 6 Oct. |
Bangkok Metropolitan
Isolated rain with heavy rainfall in some areas at the beginning and the middle of the period while fairly widespread rain in the middle of the period with heavy rainfall in some areas. Flooding continued from the last period 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 6 Oct. (39.2 mm at Suvarnabhumi Airport, Bang Phli Samut Prakan on 6 Oct.) |
Announcement Date 09 October 2026 11:30