Hong Kong temperatures set to drop to 9 degrees Celsius in urban areas on Friday night, Saturday

Temperatures would be significantly lower on high ground, and there could be icing conditions, the forecaster warned.

It urged members of the public, motorists and cyclists to be aware of slippery roads.

“Under the influence of the northeast monsoon and a broad band of rain and clouds, the weather is cold over the coastal areas of Guangdong,” the Observatory said.

“Locally, temperatures over most parts of the territory fell to around 10 degrees at night.”

Hong Kong told to brace itself for temperature swings over next few days

The Observatory issued a cold weather warning on Thursday over expected minimum temperatures of as low as 12 degrees Celsius in the next few days.

Residents were seen wrapped up in warm coats and jumpers against the chilly breeze.

On Sunday, temperatures of between 14 degrees and 19 degrees are forecast, with the mercury expected to gradually climb next week above 20 degrees.