Yes

you do need a jacket based on the weather in South Yarra VIC 3141, Australia 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter and it's windy enough to give you a brand new hairdo!
51°F10°C & Cloudy

Wind is 9 mph15 km/h from the Northeast, gusting to 19 mph31 km/h
June 7
6am51°F10°C9 mph15 km/h NortheastRain
7am50°F10°C10 mph15 km/h NortheastRain
8am50°F10°C8 mph13 km/h NorthDrizzle
9am50°F10°C6 mph10 km/h NorthDrizzle
10am49°F9°C5 mph9 km/h NorthDrizzle
11am48°F9°C6 mph9 km/h NorthDrizzle
12pm48°F9°C7 mph12 km/h WestDrizzle
1pm48°F9°C7 mph11 km/h WestDrizzle
2pm47°F9°C8 mph12 km/h SouthwestDrizzle
3pm48°F9°C8 mph13 km/h SouthwestRain
4pm47°F8°C8 mph13 km/h SouthwestRain
5pm47°F9°C7 mph12 km/h SouthwestRain
DateLowHighWindDayNight
June 649°F9°C58°F14°C9 mph14 km/h from NorthwestRainRain
June 747°F8°C52°F11°C8 mph13 km/h from SouthwestRainRain
June 848°F9°C56°F13°C8 mph13 km/h from SouthwestRainDrizzle
June 946°F8°C55°F13°C4 mph7 km/h from SouthwestDrizzleDrizzle
June 1043°F6°C56°F13°C3 mph6 km/h from NorthwestDrizzlePartly Cloudy
June 1144°F7°C56°F14°C7 mph11 km/h from NorthwestPartly CloudyMostly Clear
June 1241°F5°C58°F14°C4 mph7 km/h from NorthMostly ClearMostly Clear

Yes

Low of 47°F9°C, High of 53°F12°C
Wind: 8 mph13 km/h
Precipitation: 98% rain

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