Yes

you do need a jacket based on the weather in Canley Heights NSW 2166, Australia 1 second ago

Why? Because there's a refreshing nip in the air!
47°F8°C & Mostly Clear

Wind is 4 mph6 km/h from the North, gusting to 10 mph16 km/h
June 6
3pm47°F8°C4 mph7 km/h NorthMostly Clear
4pm47°F8°C5 mph8 km/h NorthClear
5pm47°F8°C5 mph8 km/h NorthClear
6pm49°F10°C6 mph9 km/h NorthClear
7pm53°F12°C6 mph10 km/h NorthClear
8pm58°F15°C8 mph12 km/h NorthClear
9pm61°F16°C9 mph15 km/h NorthwestClear
10pm63°F17°C10 mph16 km/h NorthwestMostly Clear
11pm65°F18°C11 mph18 km/h WestMostly Clear
June 7
12am65°F19°C11 mph18 km/h WestMostly Clear
1am64°F18°C11 mph18 km/h WestClear
2am62°F17°C10 mph16 km/h WestClear
DateLowHighWindDayNight
June 647°F8°C66°F19°C8 mph14 km/h from NorthwestClearMostly Clear
June 745°F7°C59°F15°C11 mph17 km/h from NorthwestMostly ClearPartly Cloudy
June 844°F7°C57°F14°C11 mph18 km/h from WestDrizzleMostly Clear
June 949°F9°C63°F17°C10 mph16 km/h from WestMostly ClearMostly Clear
June 1046°F8°C63°F17°C7 mph11 km/h from WestMostly ClearMostly Clear
June 1143°F6°C62°F17°C5 mph9 km/h from WestPartly CloudyPartly Cloudy
June 1243°F6°C63°F17°C7 mph11 km/h from SouthwestMostly ClearDrizzle

Yes

Low of 46°F8°C, High of 59°F15°C
Wind: 11 mph17 km/h
Precipitation: None

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