Yes

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

Why? Because the air feels like the cozy middle ground between summer and winter and it's so windy, even the squirrels are holding onto branches for dear life!
56°F13°C & Mostly Clear

Wind is 11 mph18 km/h from the Southwest, gusting to 22 mph36 km/h
August 13
9pm56°F14°C12 mph19 km/h SouthwestPartly Cloudy
10pm59°F15°C13 mph21 km/h SouthwestPartly Cloudy
11pm61°F16°C13 mph21 km/h SouthwestMostly Clear
August 14
12am61°F16°C13 mph20 km/h SouthwestMostly Clear
1am62°F16°C12 mph19 km/h SouthwestMostly Clear
2am62°F17°C11 mph18 km/h SouthwestPartly Cloudy
3am62°F17°C10 mph17 km/h SouthwestPartly Cloudy
4am60°F16°C10 mph16 km/h SouthPartly Cloudy
5am59°F15°C9 mph14 km/h SouthPartly Cloudy
6am56°F14°C7 mph12 km/h SouthPartly Cloudy
7am55°F13°C6 mph9 km/h SouthMostly Clear
8am53°F11°C5 mph9 km/h SoutheastMostly Clear
DateLowHighWindDayNight
August 1347°F8°C62°F17°C11 mph17 km/h from SouthwestPartly CloudyClear
August 1443°F6°C63°F17°C4 mph6 km/h from EastMostly ClearClear
August 1544°F6°C66°F19°C7 mph11 km/h from EastClearMostly Cloudy
August 1650°F10°C67°F20°C8 mph13 km/h from NortheastCloudyRain
August 1755°F13°C70°F21°C5 mph8 km/h from NorthwestPartly CloudyRain
August 1855°F13°C65°F18°C14 mph23 km/h from NorthwestRainDrizzle
August 1953°F11°C62°F17°C9 mph15 km/h from WestDrizzleDrizzle

Yes

Low of 43°F6°C, High of 63°F17°C
Wind: 4 mph6 km/h
Precipitation: None

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