Yes

you do need a jacket based on the weather in Australia 1 second ago

Why? Because it's pretty chilly and it's so gusty, you’re basically doing accidental parkour!

58°F15°C & Clear

Wind is 12 mph20 km/h from the Southeast, gusting to 21 mph33 km/h

Date	Low	High	Wind	Day	Night
June 27	39°F4°C	62°F17°C	11 mph18 km/h from Southeast	Clear	Clear
June 28	39°F4°C	63°F17°C	13 mph21 km/h from Southeast	Clear	Clear
June 29	39°F4°C	64°F18°C	11 mph17 km/h from Southeast	Mostly Clear	Clear
June 30	40°F4°C	65°F18°C	8 mph13 km/h from East	Clear	Mostly Clear
July 1	39°F4°C	66°F19°C	7 mph12 km/h from East	Mostly Clear	Mostly Clear
July 2	41°F5°C	69°F20°C	9 mph14 km/h from Northeast	Mostly Clear	Mostly Clear
July 3	48°F9°C	75°F24°C	9 mph15 km/h from Northwest	Clear	Clear

Low of 39°F4°C, High of 63°F17°C
Wind: 13 mph21 km/h
Precipitation: None