Yes

you do need a jacket based on the weather in Oran Park NSW 2570, Australia 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
57°F14°C & Clear

Wind is 3 mph5 km/h from the Southwest, gusting to 6 mph10 km/h
July 14
3am56°F14°C4 mph6 km/h SouthwestClear
4am54°F12°C5 mph8 km/h SouthwestClear
5am51°F10°C4 mph7 km/h SouthClear
6am48°F9°C4 mph7 km/h SouthwestClear
7am46°F8°C5 mph8 km/h SouthwestClear
8am45°F7°C5 mph8 km/h SouthwestClear
9am44°F7°C5 mph8 km/h SouthwestClear
10am43°F6°C5 mph7 km/h SouthwestMostly Clear
11am42°F6°C5 mph8 km/h SouthwestMostly Clear
12pm42°F5°C5 mph8 km/h SouthwestPartly Cloudy
1pm41°F5°C4 mph6 km/h WestPartly Cloudy
2pm41°F5°C4 mph7 km/h WestMostly Cloudy
DateLowHighWindDayNight
July 1343°F6°C64°F18°C7 mph10 km/h from SouthwestClearPartly Cloudy
July 1440°F5°C55°F13°C6 mph9 km/h from WestCloudyClear
July 1537°F3°C63°F17°C5 mph8 km/h from WestClearPartly Cloudy
July 1637°F3°C61°F16°C3 mph5 km/h from WestMostly CloudyClear
July 1740°F5°C59°F15°C5 mph8 km/h from SouthMostly ClearMostly Clear
July 1836°F2°C62°F17°C4 mph6 km/h from NorthClearMostly Clear
July 1936°F2°C63°F17°C4 mph6 km/h from WestPartly CloudyMostly Clear

Yes

Low of 40°F5°C, High of 55°F13°C
Wind: 6 mph9 km/h
Precipitation: None

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