Bulletin updated at 00:00 HKT 31/Jul/2025
Here is the latest weather bulletin issued by the Hong Kong Observatory. The weather was very hot over Guangdong yesterday. Besides, showers associated with a broad trough of low pressure affected the region and the northern part of the South China Sea yesterday. Locally, the weather was mainly cloudy with isolated showers and thunderstorms. It was very hot in the afternoon with sunny intervals during the day. The broad trough of low pressure will continue to bring showers and thunderstorms to the coast of southern China today and tomorrow. Meanwhile, a hot southwesterly airstream will also affect the region. At 11 p.m. last night, Tropical Storm Co-May was centred about 210 kilometres east-southeast of Nanjing. It is forecast to move west-northwest at about 12 kilometres per hour across the vicinity of Jiangsu. Weather forecast for Hong Kong (Thursday, 31 Jul 2025) Mainly cloudy with occasional showers and a few squally thunderstorms. Showers will be heavier at first. Bright periods in the afternoon. Temperatures will range between 27 and 31 degrees. Moderate southwesterly winds, occasionally fresh offshore. Outlook : Still a few showers on Friday. The weather will be unsettled during the weekend to early next week. Showers will be heavier at times with squally thunderstorms.