Chilly change: Commuters rug up as temperatures fall across Hong Kong.

The Hong Kong Observatory has issued the cold weather warning with temperatures expected to fall to about 10 degrees Celsius in the urban areas tonight, and a couple of degrees lower in the New Territories.

The weather will be fine, very dry and very cold tomorrow, with a maximum temperature of about 14 degrees and humidity falling below 30% in the afternoon. There will be fresh northerly winds.

The weather will still be cold and very dry on Friday, with temperatures expected to rise on Christmas Eve.

The Observatory advised people to rug up and keep warm.