No

you don't need a jacket based on the weather in Port Adelaide SA 5015, Australia 1 second ago

64°F18°C & Partly Cloudy

Wind is 5 mph8 km/h from the Southwest, gusting to 11 mph18 km/h
September 18
8am63°F17°C5 mph8 km/h SouthwestPartly Cloudy
9am60°F16°C4 mph6 km/h SouthMostly Clear
10am58°F15°C2 mph4 km/h SouthMostly Clear
11am56°F14°C2 mph3 km/h WestClear
12pm55°F13°C4 mph6 km/h NorthwestClear
1pm55°F13°C4 mph6 km/h NorthwestClear
2pm53°F12°C4 mph7 km/h NorthwestClear
3pm52°F11°C5 mph8 km/h NorthwestClear
4pm52°F11°C5 mph8 km/h NorthwestPartly Cloudy
5pm54°F12°C6 mph9 km/h NorthwestPartly Cloudy
6pm56°F13°C8 mph12 km/h NorthwestPartly Cloudy
7pm58°F14°C9 mph15 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
September 1749°F9°C77°F25°C11 mph18 km/h from NorthMostly ClearMostly Clear
September 1852°F11°C63°F17°C15 mph24 km/h from WestMostly ClearDrizzle
September 1951°F10°C59°F15°C12 mph20 km/h from WestMostly CloudyMostly Cloudy
September 2052°F11°C61°F16°C12 mph20 km/h from WestMostly CloudyMostly Cloudy
September 2148°F9°C62°F17°C12 mph19 km/h from SouthMostly ClearMostly Clear
September 2245°F7°C61°F16°C8 mph12 km/h from SouthwestPartly CloudyPartly Cloudy
September 2348°F9°C62°F17°C6 mph9 km/h from SouthwestMostly CloudyMostly Cloudy

Yes

Low of 52°F11°C, High of 64°F18°C
Wind: 15 mph24 km/h
Precipitation: 26% rain

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