Yes

you do need a jacket based on the weather in Thornbury VIC 3071, Australia 14 minutes ago

Why? Because the air feels like the cozy middle ground between summer and winter and it's really really huffing out there!
56°F13°C & Windy

Wind is 16 mph26 km/h from the North, gusting to 37 mph60 km/h
September 18
2pm56°F13°C16 mph26 km/h NorthWindy
3pm56°F13°C16 mph26 km/h NorthWindy
4pm55°F13°C16 mph25 km/h NorthWindy
5pm55°F13°C15 mph24 km/h NorthMostly Cloudy
6pm57°F14°C16 mph26 km/h NorthWindy
7pm60°F15°C17 mph27 km/h NorthWindy
8pm63°F17°C20 mph33 km/h NorthWindy
9pm65°F18°C21 mph33 km/h NorthWindy
10pm67°F19°C20 mph32 km/h NorthWindy
11pm68°F20°C19 mph30 km/h NorthWindy
September 19
12am69°F21°C17 mph27 km/h NorthWindy
1am71°F22°C15 mph24 km/h NorthwestWindy
DateLowHighWindDayNight
September 1851°F10°C71°F22°C17 mph27 km/h from NorthWindyRain
September 1945°F7°C57°F14°C10 mph16 km/h from WestDrizzleMostly Cloudy
September 2049°F10°C63°F17°C11 mph17 km/h from WestMostly CloudyMostly Cloudy
September 2145°F7°C57°F14°C11 mph17 km/h from SouthwestDrizzleMostly Cloudy
September 2244°F7°C61°F16°C6 mph10 km/h from SouthwestMostly CloudyMostly Cloudy
September 2348°F9°C63°F17°C7 mph12 km/h from SouthwestMostly CloudyMostly Cloudy
September 2448°F9°C63°F17°C10 mph16 km/h from WestCloudyMostly Cloudy

Yes

Low of 45°F7°C, High of 57°F14°C
Wind: 10 mph16 km/h
Precipitation: 32% rain

Support This Page