Yes

you do need a jacket based on the weather in Turramurra NSW 2074, Australia 1 second ago

Why? Because a jacket will keep you cozy, but you won't break a seat!
53°F12°C & Mostly Cloudy

Wind is 6 mph9 km/h from the Southwest, gusting to 15 mph24 km/h
August 10
8pm54°F12°C6 mph10 km/h SouthwestMostly Cloudy
9pm56°F13°C7 mph11 km/h SouthMostly Cloudy
10pm56°F14°C7 mph11 km/h SouthDrizzle
11pm57°F14°C6 mph10 km/h SouthMostly Cloudy
August 11
12am57°F14°C6 mph10 km/h SouthMostly Cloudy
1am58°F14°C6 mph10 km/h SouthPartly Cloudy
2am57°F14°C6 mph9 km/h SouthPartly Cloudy
3am56°F13°C5 mph8 km/h SouthPartly Cloudy
4am54°F12°C4 mph7 km/h SouthPartly Cloudy
5am53°F12°C3 mph6 km/h SouthPartly Cloudy
6am52°F11°C4 mph7 km/h SouthwestPartly Cloudy
7am51°F10°C4 mph7 km/h SouthwestMostly Clear
DateLowHighWindDayNight
August 1047°F8°C58°F14°C5 mph9 km/h from SouthRainDrizzle
August 1145°F7°C62°F17°C4 mph7 km/h from SouthwestMostly ClearMostly Clear
August 1243°F6°C63°F17°C4 mph6 km/h from SouthwestMostly CloudyDrizzle
August 1346°F8°C61°F16°C6 mph10 km/h from SouthMostly ClearMostly Clear
August 1444°F7°C65°F18°C6 mph10 km/h from NorthMostly CloudyPartly Cloudy
August 1544°F7°C61°F16°C9 mph15 km/h from WestMostly ClearClear
August 1642°F6°C58°F15°C9 mph14 km/h from WestMostly ClearMostly Clear

Yes

Low of 46°F8°C, High of 63°F17°C
Wind: 4 mph7 km/h
Precipitation: 20% rain

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