General Situation
Upper-air disturbances will bring a few showers to the coast of Guangdong and the northern part of the South China Sea tomorrow. An area of low pressure may develop within the broad trough of low pressure over the South China Sea, and move in the general direction of the vicinity of Hainan Island. Under its influence, there will be more showers with squally thunderstorms over the coast of southern China in the middle and latter parts of this week. Besides, a tropical cyclone is expected to form over the western North Pacific to the east of the Philippines in the latter part of this week. It will move towards the vicinity of Luzon early next week, and then have a higher chance to enter the northern part of the South China Sea.
Tuesday, Sep 16
Mainly cloudy with a few showers. Isolated thunderstorms at first. Sunny periods during the day.
Max Temp: 32°C
Min Temp: 28°C
Humidity: 65-90%
Wind: East force 4.
Probability of Significant Rain: Medium Low
Wednesday, Sep 17
Mainly cloudy with a few showers. Very hot with sunny periods during the day.
Max Temp: 33°C
Min Temp: 28°C
Humidity: 60-90%
Wind: East force 4, force 5 offshore later.
Probability of Significant Rain: Medium Low
Thursday, Sep 18
Mainly cloudy with a few showers and squally thunderstorms. Sunny intervals at first. More showers in some areas later.
Max Temp: 32°C
Min Temp: 27°C
Humidity: 65-95%
Wind: East force 4 to 5, occasionally force 6 on high ground later.
Probability of Significant Rain: Medium High
Friday, Sep 19
Mainly cloudy with occasional showers and squally thunderstorms. Showers will be heavier at times.
Max Temp: 30°C
Min Temp: 26°C
Humidity: 75-95%
Wind: East to southeast force 4 to 5, occasionally force 6 on high ground at first.
Probability of Significant Rain: High
Saturday, Sep 20
Mainly cloudy with occasional showers and thunderstorms. Showers will be heavier at times.
Max Temp: 30°C
Min Temp: 26°C
Humidity: 75-95%
Wind: East to southeast force 4.
Probability of Significant Rain: High
Sunday, Sep 21
Mainly cloudy with a few showers and thunderstorms. Sunny intervals during the day.
Max Temp: 31°C
Min Temp: 27°C
Humidity: 70-90%
Wind: East force 3 to 4.
Probability of Significant Rain: Medium
Monday, Sep 22
Sunny periods and one or two showers. Very hot during the day. Isolated squally thunderstorms later.
Max Temp: 33°C
Min Temp: 27°C
Humidity: 60-85%
Wind: North to northeast force 3 to 4, force 5 later.
Probability of Significant Rain: Medium Low
Tuesday, Sep 23
Mainly cloudy with occasional showers and a few squally thunderstorms.
Max Temp: 30°C
Min Temp: 26°C
Humidity: 75-95%
Wind: North force 4 to 5 , up to force 6 offshore and on high ground.
Probability of Significant Rain: Medium High
Wednesday, Sep 24
Cloudy with occasional showers and a few squally thunderstorms. Showers will be heavier at times.
Max Temp: 29°C
Min Temp: 26°C
Humidity: 80-95%
Wind: East to northeast force 5, occasionally force 6 offshore and on high ground..
Probability of Significant Rain: High
Additional Information
Sea Temperature (North Point): 29°C (Recorded: Sep 15, 2025, 07:00)
Soil Temperature (Hong Kong Observatory, 0.5m): 30.5°C (Recorded: Sep 15, 2025, 07:00)
Soil Temperature (Hong Kong Observatory, 1m): 30.2°C (Recorded: Sep 15, 2025, 07:00)