Yes

you do need a jacket based on the weather in Kapunda SA 5373, Australia 1 second ago

Why? Because it's not very warm out and it's so windy, you’re practically horizontal just trying to walk!
54°F12°C & Windy

Wind is 16 mph26 km/h from the Northeast, gusting to 29 mph47 km/h
September 5
1pm54°F12°C17 mph27 km/h NortheastWindy
2pm54°F12°C17 mph27 km/h NortheastWindy
3pm55°F13°C16 mph26 km/h NortheastWindy
4pm55°F13°C15 mph23 km/h NortheastCloudy
5pm55°F13°C16 mph25 km/h NortheastWindy
6pm57°F14°C15 mph24 km/h NortheastCloudy
7pm58°F15°C14 mph23 km/h NortheastCloudy
8pm60°F16°C14 mph23 km/h NortheastCloudy
9pm65°F18°C15 mph24 km/h NortheastWindy
10pm68°F20°C16 mph26 km/h NortheastWindy
11pm71°F22°C16 mph26 km/h NortheastWindy
September 6
12am72°F22°C14 mph22 km/h NortheastMostly Cloudy
DateLowHighWindDayNight
September 554°F12°C76°F24°C14 mph23 km/h from NortheastMostly CloudyDrizzle
September 649°F10°C74°F23°C14 mph23 km/h from NorthwestDrizzleClear
September 744°F7°C70°F21°C7 mph11 km/h from NorthwestPartly CloudyPartly Cloudy
September 844°F7°C62°F17°C11 mph17 km/h from WestDrizzleDrizzle
September 943°F6°C54°F12°C15 mph25 km/h from SouthwestDrizzleMostly Cloudy
September 1043°F6°C57°F14°C13 mph22 km/h from SouthwestPartly CloudyPartly Cloudy
September 1142°F5°C60°F16°C7 mph11 km/h from SouthwestPartly CloudyMostly Clear

Yes

Low of 49°F10°C, High of 74°F24°C
Wind: 14 mph23 km/h
Precipitation: 31% rain

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