Yes

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

Why? Because it's not very warm out!
52°F11°C & Cloudy

Wind is 4 mph6 km/h from the Southwest, gusting to 8 mph13 km/h
November 3
11am52°F11°C4 mph7 km/h SouthwestRain
12pm51°F10°C3 mph4 km/h NorthwestDrizzle
1pm50°F10°C2 mph4 km/h NorthwestMostly Cloudy
2pm49°F10°C4 mph6 km/h NorthwestMostly Cloudy
3pm49°F9°C4 mph6 km/h NorthwestMostly Cloudy
4pm48°F9°C5 mph8 km/h WestMostly Cloudy
5pm48°F9°C5 mph8 km/h WestMostly Cloudy
6pm48°F9°C5 mph9 km/h WestMostly Cloudy
7pm48°F9°C6 mph10 km/h WestMostly Cloudy
8pm48°F9°C6 mph9 km/h WestDrizzle
9pm50°F10°C6 mph10 km/h WestMostly Cloudy
10pm52°F11°C8 mph13 km/h WestMostly Cloudy
DateLowHighWindDayNight
November 250°F10°C64°F18°C6 mph9 km/h from WestRainRain
November 348°F9°C61°F16°C12 mph19 km/h from WestDrizzleMostly Cloudy
November 448°F9°C65°F18°C14 mph23 km/h from WestMostly CloudyMostly Clear
November 545°F7°C73°F23°C8 mph14 km/h from NorthwestMostly CloudyCloudy
November 657°F14°C74°F23°C11 mph18 km/h from NorthCloudyDrizzle
November 749°F10°C60°F16°C17 mph27 km/h from SouthwestDrizzleDrizzle
November 847°F9°C61°F16°C11 mph18 km/h from SouthMostly CloudyPartly Cloudy

Yes

Low of 47°F9°C, High of 61°F16°C
Wind: 12 mph19 km/h
Precipitation: 74% rain

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