The Meteorological Department forecasts hot weather nationwide during the seven-day period from 25 to 31 March 2026, with the northern region's maximum temperature surpassing 40 degrees Celsius.
On 25 March 2026, the Meteorological Department reported its seven-day weather outlook for 25-31 March 2026. It expects generally hot conditions in upper Thailand during this period, with some areas experiencing very hot weather and hazy skies during the daytime. Thunderstorms with strong gusts of wind are predicted in some locations due to low atmospheric pressure caused by heat covering upper Thailand. Meanwhile, weak southeasterly and southerly winds prevail over the lower northeastern region, central region, and eastern region.
From 27 to 29 March 2026, the southeasterly winds over the northeastern and eastern regions will strengthen, causing thunderstorms accompanied by strong gusts and occasional hail in some areas of the northeast and north.
The southern region will have little rain and hot daytime weather throughout this period, as weak east and southeasterly winds cover the Gulf of Thailand, the south, and the Andaman Sea. Waves in the Gulf of Thailand and Andaman Sea will be around one meter high, rising above one meter in areas experiencing thunderstorms.
Residents in upper Thailand are advised to be cautious of dangers from thunderstorms and strong gusts of wind by avoiding open areas, sheltering from large trees, unstable structures, and billboards. Farmers should reinforce fruit trees and prepare to protect crops and livestock from possible damage. People are also advised to take care of their health due to the hot weather conditions throughout the period.
Northern Region
From 25-26 and 30-31 March 2026, generally hot weather is expected, with some areas experiencing very hot conditions and hazy skies during the daytime. Thunderstorms may occur in about 10% of the area, with occasional strong gusts mainly in the southern part of the region.
From 27 to 29 March 2026, hot weather will prevail with thunderstorms covering 10-20% of the area, along with occasional strong gusts and hail in some locations.
Minimum temperatures will range from 20 to 26 degrees Celsius, maximum temperatures from 36 to 41 degrees Celsius, with southwest winds blowing at 5-15 km/h.
Northeastern Region
From 25-27 and 30-31 March 2026, generally hot weather is forecast with some areas experiencing very hot conditions and hazy daytime skies. Thunderstorms may cover about 10% of the area, with occasional strong gusts in some places.
On 28-29 March 2026, hot weather will continue with thunderstorms covering 10-20% of the area, including some hail and strong gusts in some locations.
Minimum temperatures will range from 22 to 27 degrees Celsius, maximum temperatures from 36 to 40 degrees Celsius, with southeasterly winds blowing at 10-15 km/h.
Central Region
From 25 to 31 March 2026, generally hot weather is expected, with some areas experiencing very hot conditions and hazy skies during the daytime. Thunderstorms may occur in about 10% of the area, with occasional strong gusts in some places.
Minimum temperatures will range from 25 to 27 degrees Celsius, maximum temperatures from 33 to 40 degrees Celsius, with southerly winds blowing at 10-15 km/h.
Eastern Region
From 25 to 31 March 2026, hot weather is expected during the daytime, with thunderstorms covering 10-20% of the area and occasional strong gusts. Southeasterly winds will blow at 10-30 km/h. Sea waves will be below one meter, rising above one meter in areas with thunderstorms.
Minimum temperatures will range from 25 to 28 degrees Celsius, maximum temperatures from 33 to 39 degrees Celsius.
Southern Region (East Coast)
Hot daytime weather is expected with thunderstorms covering about 10% of the area throughout the period. Easterly winds will blow at 15-30 km/h. Sea waves will be around one meter high, rising above one meter in areas experiencing thunderstorms.
Minimum temperatures will range from 22 to 27 degrees Celsius, maximum temperatures from 32 to 38 degrees Celsius.
Southern Region (West Coast)
Hot daytime weather is expected with thunderstorms covering 10-20% of the area throughout the period.
From 25 to 27 March 2026, easterly winds will blow at 15-30 km/h. Sea waves will be around one meter high offshore and above one meter in areas with thunderstorms.
From 28 to 31 March 2026, northwesterly winds will blow at 15-30 km/h. Sea waves will be around one meter high, rising above one meter in areas experiencing thunderstorms.
Minimum temperatures will range from 23 to 27 degrees Celsius, maximum temperatures from 33 to 38 degrees Celsius.
Bangkok and Surrounding Areas
From 25 to 31 March 2026, hot daytime weather is expected with thunderstorms covering about 10% of the area and occasional strong gusts. Southerly winds will blow at 10-15 km/h.
Minimum temperatures will range from 25 to 27 degrees Celsius, maximum temperatures from 34 to 39 degrees Celsius.