Daily Weather Forecast
05 January 2026Announcement Date 05 January 2026
Forecast Additional Video Formats
General Situation
05 Jan 2026
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Weather Map
The rather strong high-pressure system from China covers upper Thailand and the upper South. Cool to cold weather are likely in the North and the Northeast while cool in the morning is forecast in the rest regions. People should keep healthy due to cool to cold weather and beware of fire due to dry air.
The moderate northeast monsoon prevailing over the Gulf, the South and the Andaman Sea with less rain. The moderate wind and waves in the lower Gulf are likely about 2 meters high and above 2 meters high in thundershowers. In the upper Gulf and the upper Andaman Sea, the waves are expected 1-2 meters high and about 2 meters high in thundershowers. All ships in the Gulf and the Andaman Sea should proceed with caution and keep off thundershowers. People along the lower east coast of the South should beware of inshore surges.
In addition, during 6–10 Jan 2026, another rather strong high-pressure system from China will extend to upper Thailand and the South China Sea with cool to cold weather, a decrease in temperature and strong wind in the upper country. The moderate northeast monsoon prevailing over the Gulf, the South and the Andaman sea will strengthening with more rains and isolated heavy rains in the lower South. The strengthening wind force the waves in the lower Gulf are expected 2-3 meters high and above 3 meters high in thundershowers. In the upper Gulf, the waves are expected about 2 meters high and above 2 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers, small boats in the lower Gulf keep ashore during 6–9 Jan 2026.
Bangkok Metropolis and Vicinity Forecast
06:00 Today - 06:00 TomorrowMorning cool. Minimum temperature 19-21 °C. Maximum temperature 30-32 °C. Northeasterly winds 10-20 km/hr.
Announcement Date 05 January 2026
Weather Province Additional
7 days Weather Forecast
During 4 - 10 Jan 2026Forecast
During 4 – 5 Jan 2026, the high-pressure system from China cover the upper Thailand and the South China Sea with cool to cold weather is forecast in the North, the Northeast while cool in the morning is forecast in the rest regions except for the lower South. The moderate northeast monsoon prevails over the Gulf, the South and the Andaman sea with less rain in the lower South. The moderate wind and waves in the lower Gulf are expected about 2 meters high, 1-2 meters high in the upper Gulf and the Andaman Sea offshore and above 2 meters high in thundershowers. During 6 – 10 Jan 2026, another rather strong high-pressure system from China will extend to upper Thailand and the South China Sea with cool to cold weather, a decrease in temperature and strong wind in the upper country. The moderate northeast monsoon prevailing over the Gulf, the South and the Andaman sea will strengthening with more rains and isolated heavy rains in the lower South. The strengthening wind force the waves in the lower Gulf are expected 2 - 3 meters high and above 3 meters high in thundershowers. In the upper Gulf, the waves are expected about 2 meters high and above 2 meters high in thundershowers.
Caution
People in the upper country and the upper South should keep healthy due to cool to cold weather and beware of fire due to dry air and strong wind. All ships should proceed with caution and keep off thundershowers throughout the period, small boats in the lower Gulf keep ashore during 6 – 9 Jan 2026.
Announcement Date 04 Jan 2026
7 day Weather Summary
26 December 2025 - 01 January 2026Forecast
The rather strong high-pressure area from China extended its ridge to cover upper Thailand in the first half of the period after that it weakened. In addition, the northwesterly wind in the upper level prevailed over upper Thailand at the middle and the end of the period. These conditions caused generally cool to cold weather over upper Thailand, particularly the northern and northeastern regions where cold weather was observed in upper part. For the southern region, the rather strong northeast monsoon prevailed over the Gulf of Thailand, the southern region and the Andaman Sea in the first half of the period before weakening later, causing abundant rainfall mainly along the east coast in the first half of the period.
Announcement Date 02 Jan 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