Yes

you do need a jacket based on the weather in Birrong NSW 2143, Australia 1 second ago

Why? Because it's so windy, you’re practically horizontal just trying to walk!
67°F20°C & Partly Cloudy

Wind is 12 mph19 km/h from the Southeast, gusting to 25 mph41 km/h
November 9
6am67°F19°C11 mph18 km/h SoutheastPartly Cloudy
7am66°F19°C11 mph17 km/h SoutheastMostly Clear
8am63°F17°C10 mph15 km/h SoutheastPartly Cloudy
9am62°F17°C7 mph11 km/h SoutheastPartly Cloudy
10am61°F16°C4 mph7 km/h SoutheastPartly Cloudy
11am60°F15°C3 mph5 km/h SouthPartly Cloudy
12pm59°F15°C3 mph4 km/h SouthwestMostly Cloudy
1pm58°F15°C2 mph4 km/h SouthwestMostly Cloudy
2pm58°F14°C3 mph5 km/h SouthwestMostly Cloudy
3pm57°F14°C3 mph4 km/h SouthwestMostly Cloudy
4pm57°F14°C3 mph4 km/h SouthwestMostly Cloudy
5pm56°F13°C2 mph3 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
November 858°F15°C71°F21°C10 mph16 km/h from SouthPartly CloudyPartly Cloudy
November 955°F13°C76°F25°C6 mph10 km/h from NortheastMostly ClearMostly Clear
November 1053°F12°C81°F27°C10 mph16 km/h from WestMostly ClearClear
November 1146°F8°C76°F24°C6 mph10 km/h from SouthwestClearClear
November 1249°F10°C84°F29°C6 mph9 km/h from NorthwestPartly CloudyMostly Cloudy
November 1360°F15°C75°F24°C7 mph11 km/h from SoutheastMostly CloudyDrizzle
November 1462°F17°C84°F29°C9 mph15 km/h from NorthwestPartly CloudyPartly Cloudy

Yes

Low of 55°F13°C, High of 76°F25°C
Wind: 6 mph10 km/h
Precipitation: None

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