Here is the latest weather bulletin issued by the Hong Kong Observatory.
A humid maritime airstream is affecting the coast of Guangdong. Meanwhile, a trough of low pressure is bringing rain and thunderstorms to inland Guangdong. The northeast monsoon will reach southern China tomorrow morning.
Weather forecast for tonight and tomorrow
Mainly cloudy. Foggy with a few rain patches tonight and tomorrow morning. Slightly cooler tomorrow with temperatures ranging between 16 and 20 degrees. Light winds, becoming moderate to fresh northerlies tomorrow.
Outlook : Cool mornings in the following couple of days. Sunny periods with temperatures rising gradually early next week.
(The above forecast period is valid up to 23:59 HKT tomorrow, 13/03/2014;
Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)