Yes

you do need a jacket based on the weather in Hawthorn VIC 3122, Australia 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
50°F10°C & Mostly Clear

Wind is 7 mph12 km/h from the West, gusting to 16 mph25 km/h
October 22
4pm50°F10°C8 mph12 km/h WestMostly Clear
5pm49°F9°C6 mph10 km/h WestPartly Cloudy
6pm48°F9°C6 mph10 km/h WestPartly Cloudy
7pm48°F9°C6 mph9 km/h WestPartly Cloudy
8pm48°F9°C5 mph9 km/h WestPartly Cloudy
9pm49°F10°C6 mph9 km/h WestPartly Cloudy
10pm52°F11°C7 mph11 km/h WestPartly Cloudy
11pm54°F12°C7 mph12 km/h SouthwestMostly Cloudy
October 23
12am56°F14°C7 mph11 km/h SouthwestPartly Cloudy
1am58°F15°C6 mph10 km/h SouthwestPartly Cloudy
2am60°F15°C6 mph10 km/h SouthwestPartly Cloudy
3am62°F16°C5 mph8 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
October 2248°F9°C64°F18°C7 mph11 km/h from SouthwestPartly CloudyMostly Cloudy
October 2349°F9°C63°F17°C6 mph10 km/h from SouthwestPartly CloudyPartly Cloudy
October 2448°F9°C67°F19°C5 mph8 km/h from NorthwestMostly CloudyRain
October 2553°F12°C68°F20°C8 mph14 km/h from NorthwestThunderstormsRain
October 2645°F7°C58°F14°C12 mph19 km/h from SouthMostly CloudyMostly Clear
October 2743°F6°C61°F16°C9 mph15 km/h from SoutheastPartly CloudyMostly Clear
October 2844°F7°C67°F19°C5 mph8 km/h from SouthMostly ClearMostly Clear

Yes

Low of 49°F10°C, High of 63°F17°C
Wind: 6 mph10 km/h
Precipitation: None

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