Yes

you do need a jacket based on the weather in Flinders Range, Flinders Ranges SA 5434, Australia 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
55°F13°C & Cloudy

Wind is 9 mph15 km/h from the West, gusting to 18 mph29 km/h
September 15
5pm54°F12°C11 mph17 km/h WestCloudy
6pm54°F12°C11 mph18 km/h SouthwestCloudy
7pm55°F13°C12 mph19 km/h SouthwestMostly Cloudy
8pm56°F13°C14 mph22 km/h SouthwestMostly Cloudy
9pm58°F15°C14 mph23 km/h WestMostly Cloudy
10pm58°F15°C15 mph23 km/h WestCloudy
11pm59°F15°C15 mph24 km/h WestCloudy
September 16
12am60°F16°C16 mph26 km/h WestWindy
1am61°F16°C16 mph26 km/h WestWindy
2am62°F17°C17 mph28 km/h WestWindy
3am63°F17°C17 mph28 km/h WestWindy
4am61°F16°C14 mph23 km/h SouthwestClear
DateLowHighWindDayNight
September 1548°F9°C63°F17°C14 mph23 km/h from WestPartly CloudyClear
September 1640°F4°C66°F19°C6 mph9 km/h from WestClearClear
September 1744°F7°C76°F24°C9 mph15 km/h from NorthMostly ClearPartly Cloudy
September 1850°F10°C69°F21°C18 mph28 km/h from WestWindyMostly Clear
September 1944°F7°C62°F17°C11 mph18 km/h from SouthwestMostly ClearClear
September 2042°F5°C66°F19°C9 mph14 km/h from SouthwestMostly ClearClear
September 2143°F6°C68°F20°C8 mph13 km/h from SouthPartly CloudyClear

Yes

Low of 39°F4°C, High of 65°F19°C
Wind: 6 mph9 km/h
Precipitation: None

Support This Page