Yes

you do need a jacket based on the weather in Bentleigh VIC 3204, Australia 1 second ago

Why? Because too cold for just a hoodie, too warm for a parka and there are strong winds blowing out there!
50°F10°C & Partly Cloudy

Wind is 14 mph23 km/h from the West, gusting to 28 mph45 km/h
July 13
9am49°F10°C15 mph24 km/h WestPartly Cloudy
10am49°F9°C14 mph22 km/h WestPartly Cloudy
11am48°F9°C13 mph20 km/h WestMostly Clear
12pm48°F9°C11 mph18 km/h WestDrizzle
1pm47°F9°C9 mph15 km/h WestDrizzle
2pm47°F8°C8 mph13 km/h WestDrizzle
3pm47°F8°C8 mph13 km/h WestDrizzle
4pm46°F8°C8 mph13 km/h WestDrizzle
5pm46°F8°C7 mph12 km/h NorthwestPartly Cloudy
6pm46°F8°C7 mph11 km/h NorthwestPartly Cloudy
7pm47°F9°C7 mph12 km/h NorthwestPartly Cloudy
8pm49°F9°C8 mph13 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
July 1249°F9°C59°F15°C16 mph26 km/h from NorthRainRain
July 1346°F8°C55°F13°C8 mph12 km/h from WestPartly CloudyDrizzle
July 1446°F8°C56°F13°C7 mph12 km/h from NorthwestPartly CloudyPartly Cloudy
July 1547°F8°C57°F14°C10 mph16 km/h from NorthMostly CloudyDrizzle
July 1647°F8°C55°F13°C10 mph16 km/h from NorthwestDrizzlePartly Cloudy
July 1743°F6°C56°F13°C5 mph8 km/h from NorthMostly ClearMostly Clear
July 1844°F7°C56°F13°C14 mph23 km/h from NorthDrizzlePartly Cloudy

Yes

Low of 46°F8°C, High of 55°F13°C
Wind: 8 mph12 km/h
Precipitation: 15% rain

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