Yes

you do need a jacket based on the weather in Charlestown NSW 2290, Australia 1 second ago

Why? Because the wind is harsh and biting!
76°F25°C & Clear

Wind is 9 mph15 km/h from the Northwest, gusting to 20 mph32 km/h
September 15
2am75°F24°C9 mph15 km/h NorthwestClear
3am74°F23°C8 mph13 km/h NorthwestClear
4am71°F21°C7 mph11 km/h NorthClear
5am68°F20°C6 mph10 km/h NorthClear
6am66°F19°C6 mph10 km/h NorthMostly Clear
7am64°F18°C6 mph10 km/h NorthMostly Clear
8am63°F17°C6 mph9 km/h NorthMostly Cloudy
9am62°F17°C6 mph9 km/h NorthwestPartly Cloudy
10am62°F17°C6 mph10 km/h NorthMostly Cloudy
11am61°F16°C6 mph10 km/h NorthwestPartly Cloudy
12pm61°F16°C7 mph11 km/h NorthwestPartly Cloudy
1pm60°F16°C6 mph10 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
September 1454°F12°C77°F25°C8 mph13 km/h from NorthwestClearPartly Cloudy
September 1559°F15°C78°F25°C11 mph18 km/h from NorthwestPartly CloudyPartly Cloudy
September 1658°F15°C75°F24°C7 mph11 km/h from WestPartly CloudyMostly Clear
September 1752°F11°C68°F20°C5 mph8 km/h from EastClearClear
September 1853°F12°C76°F24°C7 mph11 km/h from NorthMostly ClearThunderstorms
September 1952°F11°C68°F20°C10 mph17 km/h from WestClearClear
September 2050°F10°C66°F19°C10 mph16 km/h from WestMostly ClearMostly Clear

No

Low of 59°F15°C, High of 78°F26°C
Wind: 11 mph18 km/h
Precipitation: None

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