Yes

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

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

Wind is 6 mph9 km/h from the North, gusting to 11 mph17 km/h
August 25
5pm55°F13°C6 mph9 km/h NorthClear
6pm57°F14°C5 mph9 km/h NorthClear
7pm61°F16°C6 mph10 km/h NorthClear
8pm65°F19°C8 mph13 km/h NorthClear
9pm69°F20°C9 mph14 km/h NorthClear
10pm71°F21°C8 mph13 km/h NorthClear
11pm72°F22°C7 mph12 km/h NorthClear
August 26
12am73°F23°C8 mph12 km/h NortheastClear
1am73°F23°C8 mph12 km/h NortheastClear
2am72°F22°C8 mph12 km/h NortheastClear
3am69°F21°C10 mph16 km/h NortheastClear
4am67°F19°C11 mph17 km/h NortheastClear
DateLowHighWindDayNight
August 2555°F13°C73°F23°C8 mph13 km/h from NortheastClearClear
August 2656°F13°C71°F22°C15 mph24 km/h from NorthwestWindyClear
August 2751°F11°C66°F19°C14 mph22 km/h from NorthwestClearClear
August 2850°F10°C66°F19°C17 mph27 km/h from NorthwestWindyWindy
August 2948°F9°C60°F15°C17 mph28 km/h from WestWindyClear
August 3046°F8°C64°F18°C7 mph11 km/h from NorthwestClearPartly Cloudy
August 3148°F9°C65°F18°C5 mph7 km/h from SoutheastMostly CloudyPartly Cloudy

Yes

Low of 55°F13°C, High of 72°F22°C
Wind: 15 mph24 km/h
Precipitation: 8% rain

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