Yes

you do need a jacket based on the weather in Keysborough VIC 3173, Australia 1 second ago

Why? Because sorry, it's too cool for just a hoodie and it's so windy, you’re practically horizontal just trying to walk!
51°F10°C & Windy

Wind is 15 mph24 km/h from the North, gusting to 31 mph50 km/h
July 12
7pm52°F11°C16 mph25 km/h NorthWindy
8pm53°F12°C18 mph29 km/h NorthWindy
9pm55°F13°C20 mph32 km/h NorthWindy
10pm56°F13°C21 mph33 km/h NorthWindy
11pm57°F14°C21 mph34 km/h NorthWindy
July 13
12am58°F14°C20 mph33 km/h NorthWindy
1am58°F15°C18 mph30 km/h NorthWindy
2am58°F14°C17 mph27 km/h NorthWindy
3am56°F13°C16 mph26 km/h NorthwestDrizzle
4am55°F13°C16 mph26 km/h NorthwestRain
5am53°F12°C16 mph27 km/h WestRain
6am51°F11°C15 mph24 km/h WestWindy
DateLowHighWindDayNight
July 1248°F9°C58°F15°C18 mph29 km/h from NorthRainRain
July 1344°F7°C55°F13°C8 mph12 km/h from NorthwestMostly CloudyDrizzle
July 1445°F7°C56°F13°C7 mph12 km/h from NorthwestPartly CloudyMostly Cloudy
July 1547°F8°C58°F14°C9 mph15 km/h from NorthMostly CloudyRain
July 1646°F8°C56°F13°C10 mph16 km/h from NorthwestDrizzleMostly Clear
July 1743°F6°C59°F15°C5 mph7 km/h from NorthMostly ClearPartly Cloudy
July 1845°F7°C58°F14°C11 mph18 km/h from NorthPartly CloudyMostly Cloudy

Yes

Low of 45°F7°C, High of 55°F13°C
Wind: 8 mph12 km/h
Precipitation: None

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