Yes

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

Why? Because sorry, it's too cool for just a hoodie and it's so windy, your hat will probably launch into orbit!
56°F13°C & Mostly Clear

Wind is 12 mph20 km/h from the North, gusting to 29 mph47 km/h
September 14
3pm55°F13°C13 mph21 km/h NorthClear
4pm55°F13°C13 mph21 km/h NorthMostly Clear
5pm55°F13°C14 mph22 km/h NorthMostly Clear
6pm57°F14°C15 mph23 km/h NorthMostly Clear
7pm60°F16°C15 mph25 km/h NorthWindy
8pm64°F18°C19 mph30 km/h NorthWindy
9pm67°F20°C17 mph27 km/h NorthWindy
10pm71°F22°C19 mph30 km/h NorthWindy
11pm73°F23°C23 mph37 km/h NorthWindy
September 15
12am75°F24°C24 mph39 km/h NorthWindy
1am76°F24°C23 mph36 km/h NorthWindy
2am76°F25°C22 mph35 km/h NorthWindy
DateLowHighWindDayNight
September 1454°F12°C76°F25°C19 mph31 km/h from NorthWindyDrizzle
September 1552°F11°C64°F18°C12 mph20 km/h from NorthwestDrizzleMostly Clear
September 1646°F8°C58°F15°C8 mph14 km/h from WestMostly CloudyMostly Clear
September 1744°F7°C67°F19°C13 mph21 km/h from NorthMostly ClearPartly Cloudy
September 1848°F9°C66°F19°C13 mph21 km/h from NorthwestPartly CloudyDrizzle
September 1945°F7°C57°F14°C13 mph21 km/h from NorthwestMostly CloudyDrizzle
September 2047°F8°C61°F16°C12 mph19 km/h from WestMostly CloudyMostly Cloudy

Yes

Low of 52°F11°C, High of 64°F18°C
Wind: 12 mph20 km/h
Precipitation: 69% rain

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