Here is the latest weather bulletin issued by the Hong Kong Observatory.

A trough of low pressure edged closer to the coast of Guangdong gradually today. The associated showers and thunderstorms affected the region. Locally, it was very hot during the day. Temperatures over many places rose to 33 degrees or above. More than 10 millimetres of rainfall were recorded over the northern part of the New Territories and Lantau Island at night. The trough of low pressure will continue to affect the coast of southern China tomorrow. An easterly airstream will affect the region in the following couple of days.

Weather forecast for Hong Kong (Saturday, 24 May 2025)

Mainly cloudy with a few showers. More showers in some areas with a few thunderstorms in the morning. Hot with bright periods in the afternoon. Temperatures will range between 26 and 32 degrees. Moderate northerly winds.

Outlook : Sunny intervals in the following couple of days. Temperatures will fall slightly. Showers will be more frequent with thunderstorms next Wednesday and Thursday.

9-Day Weather Forecast

Under the influence of a trough of low pressure, there will be a few showers and thunderstorms over the coast of southern China tomorrow. An easterly airstream will affect the coast of Guangdong in the following couple of days, showers will ease off gradually and high temperatures will be alleviated slightly over the region. Another trough of low pressure is expected to bring heavy showers and squally thunderstorms to southern China midweek next week. The trough of low pressure will linger over the vicinity of the northern part of the South China Sea in the latter part of next week. There will still be a few showers over the region.

24/5 (Saturday)
North force 3 to 4. Weather: Mainly cloudy with a few showers. More showers in some areas with a few thunderstorms in the morning. Hot with bright periods in the afternoon.
Temperature: 26-32C Relative Humidity: 65-95%

25/5(Sunday)
East to northeast force 4. Weather: Mainly cloudy with one or two showers. Sunny intervals during the day.
Temperature: 24-29C Relative Humidity: 60-90%

26/5(Monday)
East to northeast force 4, occasionally force 5 offshore. Weather: Sunny intervals. Isolated showers at first.
Temperature: 25-30C Relative Humidity: 60-85%

27/5(Tuesday)
East force 4, occasionally force 5 offshore. Weather: Sunny intervals.
Temperature: 26-30C Relative Humidity: 60-85%

28/5(Wednesday)
East to southeast force 4, occasionally force 5 offshore and on high ground at first. Weather: Mainly cloudy with occasional showers and a few squally thunderstorms.
Temperature: 26-29C Relative Humidity: 80-95%

29/5(Thursday)
South to southwest force 3 to 4. Weather: Cloudy with showers and a few squally thunderstorms. Showers will be heavy at times.
Temperature: 26-29C Relative Humidity: 80-95%

30/5(Friday)
East to northeast force 3 to 4. Weather: Mainly cloudy with a few showers. Sunny intervals during the day.
Temperature: 26-30C Relative Humidity: 70-90%

31/5(Saturday)
East force 4. Weather: Mainly cloudy with a few showers.
Temperature: 26-30C Relative Humidity: 65-90%

1/6(Sunday)
Southeast force 4. Weather: Mainly cloudy with a few showers. Sunny intervals during the day.
Temperature: 27-31C Relative Humidity: 60-90%