Yes

you do need a jacket based on the weather in Milnerton, Cape Town, South Africa 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
55°F13°C & Partly Cloudy

Wind is 5 mph8 km/h from the South, gusting to 12 mph19 km/h
September 16
2pm54°F12°C4 mph7 km/h SouthPartly Cloudy
3pm53°F12°C3 mph5 km/h SouthPartly Cloudy
4pm52°F11°C3 mph4 km/h SouthPartly Cloudy
5pm51°F10°C3 mph4 km/h SouthMostly Cloudy
6pm50°F10°C2 mph3 km/h SouthMostly Cloudy
7pm50°F10°C2 mph3 km/h SouthPartly Cloudy
8pm49°F10°C2 mph3 km/h SoutheastMostly Cloudy
9pm49°F9°C2 mph2 km/h SoutheastPartly Cloudy
10pm48°F9°C1 mph2 km/h SoutheastPartly Cloudy
11pm47°F8°C1 mph2 km/h EastPartly Cloudy
September 17
12am46°F8°C2 mph3 km/h NortheastPartly Cloudy
1am47°F8°C2 mph3 km/h NortheastPartly Cloudy
DateLowHighWindDayNight
September 1550°F10°C63°F17°C6 mph10 km/h from SouthwestPartly CloudyPartly Cloudy
September 1646°F8°C62°F17°C5 mph7 km/h from SouthwestPartly CloudyMostly Clear
September 1746°F8°C65°F18°C7 mph11 km/h from SouthPartly CloudyMostly Cloudy
September 1849°F9°C74°F23°C3 mph6 km/h from SouthMostly CloudyCloudy
September 1954°F12°C68°F20°C8 mph12 km/h from WestMostly CloudyMostly Cloudy
September 2053°F12°C72°F22°C6 mph9 km/h from SouthMostly CloudyPartly Cloudy
September 2154°F12°C66°F19°C8 mph14 km/h from WestRainDrizzle

Yes

Low of 46°F8°C, High of 62°F17°C
Wind: 5 mph7 km/h
Precipitation: None

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