General Situation
10 May 2026
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Weather Map
The high-pressure system from China covers the Northeast of Thailand and the South China Sea with the southerly and southeasterly winds bring the moisture from the South China Sea and the Gulf to the upper country where hot weather occure. Thundershowers with gusty winds and isolated heavy rain are likely in the upper country especially in the North.
The easterly wind prevailing over the Gulf and the South is strengthening with heavy rain in the South. The wind and wave in the Gulf are likely about 1 meter high and above 2 meters high in thundershower.
People should beware of severe conditions by keeping off outdoor places, big trees and unsecured billboards including beware of the heavy rain and accumulated rain that may cause flashing floods and overflows especially along the waterways near foothills and lowlands. Farmers should prevent for crop damage and animals danger. People in the upper country should keep healthy due to variable weather. All ships should keep off thundershowers.
Bangkok Metropolis and Vicinity Forecast
06:00 Today - 06:00 TomorrowDay hot. Scattered thundershowers with gust. Minimum temperature 25-26 °C. Maximum temperature 36-38 °C. Southeasterly winds 10–20 km./hr.
Announcement Date 10 May 2026
Weather Province Additional
7 days Weather Forecast
Weather Outlook During 9 – 15 May 2026Forecast
During 9 – 10 May 2026, thundershowers and gusty winds and isolated heavy rains are in the upper country because the high-pressure system will cover the Northeast and the South China Sea with strengthen easterly and southeasterly winds prevail across the upper country. During 11 - 15 May 2026, thundershowers still present in the upper country because the high-pressure system which cover the Northeast and the South China Sea is weaken while the southwesterly and the southerly winds prevails across the upper country. For the South, during 9 – 11 May 2026, the easterly wind prevail across the South with thundershowers and isolated heavy rains. The winds and waves in the Gulf are expected about 1 meter high and above 2 meters high in thundershowers. During 12 – 15 May 2026, the southwesterly wind prevail across the South with thundershowers and isolated heavy rains. The winds and waves in the Gulf and the Andaman Sea are expected about 1 meter high and above 2 meters high in thundershowers.
Caution
During 9 - 10 May 2026, people in the upper country should beware of thundershowers with gust and severe conditions by keeping off outdoor places, big trees and unsecured billboards. Farmers should prevent for crop damage and animals danger and keep healthy due to change weather. People in the lower South should beware of heavy rain and accumulation that may cause flash floods and overflows especially along the waterways near foothills and lowlands.
Announcement Date 09 May 2026
7 day Weather Summary
01 May 2026 - 07 May 2026Forecast
The heat low-pressure cell covered upper Thailand in the first half of the period. These conditions caused hot weather nearly the whole areas over Thailand almost the period, with very hot weather in several areas in the northern region and in some areas in the central region. In the second half of the period, the high-pressure area from China extended its ridge to cover the northeastern region of Thailand and the South China Sea. Additionally, another high-pressure area from China extended its ridge to dominated the mentioned areas on the last day of the period. Besides, the southwesterly and southeasterly winds blew over upper Thailand in the first half of the period. So, the southerly and southeasterly winds prevailed over the mentioned areas at the beginning of the period, causing rainfall and thunderstorm throughout the period with the gusty wind and hail were reported in several areas. For the southern region, rainfall occurred throughout the period due to the influence of the easterly and southeasterly winds prevailed over the Gulf of Thailand, the southern region and the Andaman Sea in the first half of the period then the easterly wind blew over the Gulf of Thailand and the southern region.
Announcement Date 08 May 2026
Previous
Monthly Weather Forecast
November 2022Forecast
Upper Thailand will be more cold especially the northern and northeastern regions with some thunderstorms on certain days. For the mountain tops, mountain peaks, and mountain ranges, the weather is generally cold. This is because The high pressure area from China will extend to cover the North and Northeast periodically. It will be mostly moderate power. the southern part It continues to rain heavily. especially the east coast from Chumphon down There are still thunderstorms in 60 - 80 percent of the area with heavy rain in many areas and very heavy in some places.This will cause flash floods and flash floods, as well as overflowing riverbanks in some places. For wind waves in the Gulf of Thailand will be strong. In some periods, there will be waves 2 - 4 meters high, while the Andaman Sea will have 1-2 meters high because the northeast monsoon still prevails over the Gulf of Thailand and the South. It will have strength from time to time. In addition, there will be a monsoon trough that lies across the central South in some periods. In addition, in some periods there will be an active low pressure cell moving closer. and has a high chance of moving through the southern region
Caution
In summary, this month, the total rainfall in the northern and northeastern regions is expected to be 10% less than normal, and the central and eastern regions are close to normal. The southern region is 10 percent above normal, while the average landscape is still slightly above normal.
Announcement Date 01 November 2022