Yes

you do need a jacket based on the weather in 22 Fw Beyers Ave, Barry Hertzog Park, Newcastle, 2945, South Africa 1 second ago

Why? Because it's cool. Pleasantly cool, but cool.
58°F15°C & Clear

Wind is 2 mph3 km/h from the SW, gusting to 6 mph9 km/h
April 25
2am59°F15°C2 mph3 km/h SClear
3am64°F18°C3 mph5 km/h SClear
4am70°F21°C3 mph5 km/h SEClear
5am75°F24°C4 mph6 km/h SEClear
6am78°F25°C4 mph6 km/h SEClear
7am80°F27°C4 mph7 km/h SEClear
8am82°F28°C5 mph8 km/h SEClear
9am83°F28°C5 mph8 km/h SEClear
10am82°F28°C5 mph7 km/h SEClear
11am79°F26°C4 mph6 km/h SEClear
12pm73°F23°C4 mph7 km/h SEClear
1pm69°F21°C4 mph6 km/h SEClear
DateLowHighWindDayNight
April 2452°F11°C83°F28°C4 mph6 km/h from SEClearPartly Cloudy
April 2557°F14°C75°F24°C6 mph9 km/h from SEDrizzleRain
April 2654°F12°C70°F21°C4 mph6 km/h from SEMostly CloudyMostly Cloudy
April 2751°F11°C76°F25°C3 mph4 km/h from EMostly ClearMostly Clear
April 2851°F10°C82°F28°C5 mph8 km/h from WMostly ClearMostly Clear
April 2954°F12°C84°F29°C7 mph12 km/h from SWClearClear
April 3050°F10°C84°F29°C3 mph5 km/h from SWClearClear

Yes

Low of 57°F14°C, High of 75°F24°C
Wind: 6 mph9 km/h
Precipitation: 34% rain

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