Yes

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

Why? Because it's really really huffing out there!
72°F22°C & Windy

Wind is 17 mph27 km/h from the North, gusting to 37 mph59 km/h
September 15
5am72°F22°C17 mph27 km/h NorthWindy
6am71°F21°C16 mph26 km/h NorthWindy
7am70°F21°C16 mph26 km/h NorthWindy
8am69°F20°C17 mph27 km/h NorthWindy
9am66°F19°C14 mph23 km/h NorthMostly Cloudy
10am65°F18°C10 mph17 km/h NorthwestMostly Cloudy
11am64°F18°C9 mph14 km/h NorthwestCloudy
12pm63°F17°C8 mph12 km/h NorthwestCloudy
1pm61°F16°C7 mph11 km/h NorthwestCloudy
2pm60°F16°C7 mph11 km/h NorthwestCloudy
3pm59°F15°C7 mph11 km/h NorthwestCloudy
4pm58°F14°C9 mph15 km/h NorthwestCloudy
DateLowHighWindDayNight
September 1457°F14°C77°F25°C18 mph29 km/h from NorthWindyDrizzle
September 1552°F11°C65°F18°C12 mph19 km/h from NorthwestDrizzleMostly Clear
September 1646°F8°C60°F15°C10 mph15 km/h from WestMostly CloudyMostly Clear
September 1744°F7°C67°F19°C13 mph21 km/h from NorthMostly ClearPartly Cloudy
September 1847°F9°C67°F19°C13 mph21 km/h from NorthwestPartly CloudyDrizzle
September 1944°F7°C57°F14°C13 mph21 km/h from WestDrizzleDrizzle
September 2049°F10°C63°F17°C10 mph17 km/h from WestMostly CloudyMostly Cloudy

Yes

Low of 52°F11°C, High of 65°F19°C
Wind: 12 mph19 km/h
Precipitation: 77% rain

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