What is the weather within 25th March to 30th March in Hong Kong?

Yes, from the ferry terminal, there are free shuttle buses available to the casino. From 06:30 to 02:40, the bus runs at an interval of 5 – 15 mins.

According to the weather report, it may be cool at that time, and the average temp may reach 66F – 73F. There might be some showers in the day time, but most of them will not last for a long time. You are suggested to wear T-shirts, and also prepare long-sleeved shirts for chill hours. If possible, take the rain gear, too.