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

Showers and thunderstorms triggered by high temperatures affected Guangdong today. Locally, it was mainly cloudy with isolated heavy showers and severe squally thunderstorms. More than 10 millimetres of rainfall were recorded over parts of the New Territories, and rainfall even exceeded 100 millimetres in Tseung Kwan O. Besides, at around 1 p.m., hail was reported at Tseung Kwan O. Winds are expected to be weak over Guangdong tomorrow, and showers triggered by high temperatures will continue to affect the region.

At 11 p.m., Severe Tropical Storm Chanthu was centred about 180 kilometres south-southwest of Jeju. It is forecast to move northeast at about 18 kilometres per hour towards the vicinity of the Korean Peninsula and Japan.

Weather forecast for Hong Kong (Friday, 17 Sep 2021)

Mainly cloudy with a few showers and isolated thunderstorms. Very hot with sunny periods during the day. Temperatures will range between 27 and 33 degrees. Light winds.

Outlook : Hot with sunny periods and isolated showers in the following couple of days.

9-Day Weather Forecast

Winds will be weak at Guangdong tomorrow, and showers triggered by high temperatures will affect the region. Under the influence of an anticyclone aloft, the weather will be mainly fine over southern China over the weekend to early next week. Meanwhile, the broad area of low pressure to the east of the Philippines is expected to enter the central part of the South China Sea, and will bring unsettled weather to the region. Tropical Cyclone Chanthu will move towards the vicinity of the Korean Peninsula and Japan in the next couple of days, and gradually evolve into an extratropical cyclone.

17/9 (Friday)
Light winds force 2. A few showers and isolated thunderstorms. Very hot with sunny periods during the day.
Temperature: 27-33C Relative Humidity: 60-95%

18/9(Saturday)
Southeast force 2 to 3. Very hot with sunny periods and isolated showers.
Temperature: 28-33C Relative Humidity: 65-90%

19/9(Sunday)
East to southeast force 3 to 4. Sunny periods and a few showers.
Temperature: 27-32C Relative Humidity: 70-95%

20/9(Monday)
East force 3. Sunny periods and one or two showers.
Temperature: 27-32C Relative Humidity: 70-95%

21/9(Tuesday)
East force 3. Sunny intervals and a few showers.
Temperature: 27-32C Relative Humidity: 70-95%

22/9(Wednesday)
East force 3 to 4. Sunny intervals and a few showers.
Temperature: 27-32C Relative Humidity: 70-95%

23/9(Thursday)
East force 3 to 4. Sunny intervals and a few showers.
Temperature: 27-32C Relative Humidity: 70-95%

24/9(Friday)
East force 3 to 4. Sunny periods and one or two showers.
Temperature: 27-32C Relative Humidity: 70-95%

25/9(Saturday)
East force 3 to 4. Sunny periods and one or two showers.
Temperature: 27-32C Relative Humidity: 70-95%