Yes

you do need a jacket based on the weather in Busselton WA 6280, Australia 1 second ago

Why? Because it's super windy outside!
64°F18°C & Windy

Wind is 18 mph29 km/h from the West, gusting to 31 mph50 km/h
October 18
7am64°F18°C17 mph28 km/h WestWindy
8am63°F17°C16 mph26 km/h WestWindy
9am62°F16°C13 mph21 km/h WestMostly Clear
10am60°F16°C10 mph16 km/h WestPartly Cloudy
11am57°F14°C7 mph11 km/h WestPartly Cloudy
12pm56°F13°C6 mph10 km/h WestPartly Cloudy
1pm54°F12°C5 mph8 km/h WestPartly Cloudy
2pm54°F12°C5 mph8 km/h WestMostly Clear
3pm53°F11°C5 mph8 km/h NorthwestMostly Clear
4pm53°F12°C6 mph9 km/h NorthPartly Cloudy
5pm54°F12°C6 mph10 km/h NorthPartly Cloudy
6pm55°F13°C9 mph14 km/h NorthPartly Cloudy
DateLowHighWindDayNight
October 1753°F11°C65°F18°C18 mph29 km/h from WestWindyDrizzle
October 1848°F9°C61°F16°C10 mph15 km/h from WestRainPartly Cloudy
October 1947°F8°C62°F17°C8 mph13 km/h from SouthRainMostly Clear
October 2049°F9°C66°F19°C9 mph15 km/h from SouthPartly CloudyPartly Cloudy
October 2147°F8°C68°F20°C8 mph12 km/h from WestMostly ClearMostly Cloudy
October 2250°F10°C67°F19°C11 mph17 km/h from SouthwestMostly ClearMostly Clear
October 2350°F10°C66°F19°C13 mph20 km/h from SouthwestPartly CloudyMostly Clear

Yes

Low of 48°F9°C, High of 61°F16°C
Wind: 10 mph15 km/h
Precipitation: 86% rain

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