Yes

you do need a jacket based on the weather in Wyndham St, Werribee VIC 3030, Australia 1 second ago

Why? Because it's so windy, you’re practically horizontal just trying to walk!
70°F21°C & Mostly Clear

Wind is 14 mph22 km/h from the Northwest, gusting to 27 mph43 km/h
September 14
2am70°F21°C14 mph22 km/h NorthwestClear
3am68°F20°C12 mph19 km/h NorthwestMostly Clear
4am65°F18°C10 mph16 km/h NorthMostly Clear
5am62°F16°C9 mph14 km/h NorthMostly Clear
6am60°F15°C9 mph15 km/h NorthMostly Clear
7am58°F15°C10 mph15 km/h NorthMostly Clear
8am58°F14°C10 mph16 km/h NorthMostly Clear
9am57°F14°C11 mph17 km/h NorthMostly Clear
10am56°F14°C12 mph19 km/h NorthClear
11am56°F13°C12 mph19 km/h NorthClear
12pm55°F13°C12 mph20 km/h NorthMostly Clear
1pm55°F13°C12 mph20 km/h NorthPartly Cloudy
DateLowHighWindDayNight
September 1347°F8°C72°F22°C12 mph20 km/h from NorthClearMostly Clear
September 1454°F12°C76°F24°C20 mph32 km/h from NorthWindyDrizzle
September 1549°F9°C63°F17°C17 mph27 km/h from NorthwestDrizzleMostly Clear
September 1644°F7°C60°F15°C11 mph17 km/h from WestMostly CloudyMostly Clear
September 1742°F6°C67°F19°C14 mph23 km/h from NorthMostly ClearPartly Cloudy
September 1846°F8°C67°F19°C18 mph29 km/h from NorthwestRainRain
September 1944°F7°C57°F14°C18 mph28 km/h from NorthwestDrizzleDrizzle

Yes

Low of 54°F12°C, High of 76°F25°C
Wind: 20 mph32 km/h
Precipitation: None

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