Yes

you do need a jacket based on the weather in Springvale VIC 3171, Australia 1 second ago

Why? Because sorry, it's too cool for just a hoodie!
58°F14°C & Clear

Wind is 2 mph4 km/h from the North, gusting to 7 mph12 km/h
May 12
9pm59°F15°C2 mph4 km/h NorthClear
10pm62°F17°C2 mph3 km/h NorthClear
11pm65°F18°C2 mph4 km/h NorthClear
May 13
12am67°F20°C2 mph3 km/h NorthwestClear
1am68°F20°C2 mph3 km/h WestClear
2am68°F20°C3 mph6 km/h SouthwestClear
3am65°F19°C4 mph6 km/h SouthClear
4am63°F17°C4 mph6 km/h EastClear
5am60°F16°C3 mph5 km/h NortheastClear
6am58°F15°C4 mph7 km/h NortheastClear
7am56°F14°C4 mph7 km/h NortheastClear
8am55°F13°C5 mph7 km/h NorthClear
DateLowHighWindDayNight
May 1245°F7°C68°F20°C3 mph4 km/h from NorthClearClear
May 1350°F10°C64°F18°C5 mph8 km/h from WestMostly ClearMostly Cloudy
May 1449°F9°C62°F17°C3 mph5 km/h from SouthwestPartly CloudyClear
May 1545°F7°C63°F17°C4 mph6 km/h from WestMostly ClearDrizzle
May 1647°F9°C54°F12°C7 mph12 km/h from SouthwestDrizzleDrizzle
May 1745°F7°C55°F13°C8 mph13 km/h from SouthDrizzleMostly Clear
May 1842°F5°C57°F14°C4 mph6 km/h from SouthMostly ClearClear

Yes

Low of 50°F10°C, High of 64°F18°C
Wind: 5 mph8 km/h
Precipitation: 8% rain

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