TMD forecasts isolated heavy rain in Greater Bangkok, the lower Central region, the East and the South on Nov 5
The midnight forecast for November 5 put thundershower coverage at 70% in Greater Bangkok and the East, with heavy rain possible in both areas.
- The Thai Meteorological Department has forecast a three-day period of storms for upper Thailand, starting on Thursday, November 5.
- The storms are expected to begin in the Northeast with thundershowers, gusty winds, and possible hail before spreading to the North, Central, and Eastern regions.
- On November 5, heavy rain is also anticipated in the lower Central region, including Bangkok, as well as in the East and South.
- The public is advised to take precautions during the storms by avoiding open ground, large trees, and unstable structures.
The Thai Meteorological Department expects three days of storms in upper Thailand from Thursday, November 5, 2026, beginning in the Northeast. Its midnight forecast for November 5 also identified areas at risk of heavy rain that day in the lower Central region, including Bangkok and its surrounding provinces, as well as in the East and South.
The midnight forecast put thundershower coverage at 70% in both Greater Bangkok and the East. Gusty winds were forecast in both areas, with lightning also possible in parts of upper Thailand. The department advised people to avoid open ground during storms and to stay clear of large trees, unstable structures and unsecured billboards.
Easterly winds were blowing across the Gulf of Thailand, the Thai mainland and the Andaman Sea, while a high-pressure system covered the North, the Northeast and the South China Sea.
Northeast faces hail risk first, with heavier rain in the South from November 7
The Northeast is expected to be the first region affected by thundershowers, gusty winds, hail and isolated heavy rain during November 5–7. The unsettled weather is then forecast to reach the North, the Central region, including Greater Bangkok, and the East.
Southern Thailand is expected to see an increase in rainfall from November 7 to 9. The department forecasts heavy rain in many parts of the South during that period, with isolated very heavy downpours.
Midnight forecast puts thundershower coverage at 20% to 70% by region
The regional forecast covered the 24 hours from midnight at the start of November 5 to midnight at the start of November 6, Thailand time. Thundershowers were forecast across 20% of the North and Northeast, rising to 70% in the East and Greater Bangkok. The percentages refer to the share of each area expected to experience thundershowers.
Regional weather forecast for November 5, 2026
North — Thundershowers across 20% of the region, mainly in Mae Hong Son, Chiang Mai, Tak and Phetchabun, with gusty winds in places. Lows of 22–26°C and highs of 33–36°C. Easterly winds at 10–20 km/h.
Northeast — Thundershowers across 20% of the region, mainly in Chaiyaphum, Khon Kaen, Nakhon Ratchasima, Buri Ram, Surin, Si Sa Ket and Ubon Ratchathani, with gusty winds in places. Lows of 22–25°C and highs of 33–35°C. Easterly winds at 10–20 km/h.
Central region — Thundershowers across 40% of the region, with gusty winds and isolated heavy rain in Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon and Samut Songkhram. Lows of 22–26°C and highs of 33–35°C. Easterly winds at 10–20 km/h.
East — Thundershowers across 70% of the region, with gusty winds and isolated heavy rain in Chachoengsao, Chon Buri, Rayong, Chanthaburi and Trat. Lows of 23–26°C and highs of 32–35°C. South-easterly winds at 10–30 km/h.
South (Gulf coast) — Thundershowers across 60% of the area, with isolated heavy rain in Chumphon, Surat Thani and Nakhon Si Thammarat. Lows of 22–25°C and highs of 32–35°C. Winds at 15–30 km/h, easterly from Surat Thani northwards and south-easterly from Nakhon Si Thammarat southwards.
South (Andaman coast) — Thundershowers across 60% of the area, mainly in Phang Nga, Phuket, Krabi, Trang and Satun. Lows of 23–26°C and highs of 32–35°C. Easterly winds at 15–30 km/h.
Bangkok and surrounding provinces — Thundershowers across 70% of the area, with gusty winds and isolated heavy rain. Lows of 25–27°C and highs of 33–35°C. South-easterly winds at 10–20 km/h.
Waves could exceed 2 metres in storms in the Gulf and Andaman Sea
The Thai Meteorological Department advised mariners in the Gulf of Thailand and the Andaman Sea to navigate with caution and avoid thundershowers, where waves could exceed 2 metres.
Outside storms, the November 5 forecast put wave heights below 1 metre off eastern Thailand and around 1 metre along the southern Gulf coast. Along the Andaman coast, waves were expected to reach about 1 metre, rising above 1 metre farther offshore.
