No

you don't need a jacket based on the weather in Johannesburg, South Africa 1 second ago

63°F17°C & Mostly Clear

Wind is 4 mph7 km/h from the Northeast, gusting to 12 mph19 km/h
September 7
6pm62°F17°C6 mph10 km/h NortheastMostly Clear
7pm60°F16°C6 mph10 km/h NortheastMostly Clear
8pm59°F15°C6 mph10 km/h NortheastMostly Clear
9pm58°F15°C6 mph10 km/h NorthMostly Clear
10pm58°F14°C5 mph9 km/h NorthClear
11pm57°F14°C5 mph8 km/h NorthClear
September 8
12am56°F14°C5 mph8 km/h NorthClear
1am57°F14°C5 mph9 km/h NortheastClear
2am60°F16°C6 mph10 km/h NorthClear
3am64°F18°C8 mph12 km/h NorthClear
4am69°F20°C8 mph13 km/h NorthClear
5am72°F22°C9 mph14 km/h NorthClear
DateLowHighWindDayNight
September 654°F12°C76°F25°C4 mph6 km/h from NorthPartly CloudyMostly Clear
September 756°F14°C78°F25°C7 mph12 km/h from NorthMostly ClearPartly Cloudy
September 858°F14°C76°F24°C10 mph16 km/h from NorthPartly CloudyMostly Clear
September 956°F13°C76°F24°C8 mph13 km/h from NorthMostly ClearMostly Clear
September 1057°F14°C78°F25°C5 mph8 km/h from NorthMostly ClearMostly Clear
September 1159°F15°C79°F26°C5 mph7 km/h from NorthMostly ClearMostly Clear
September 1258°F15°C75°F24°C8 mph13 km/h from NorthClearClear

Yes

Low of 56°F14°C, High of 78°F26°C
Wind: 7 mph12 km/h
Precipitation: None

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