No

you don't need a jacket based on the weather in Sydney NSW, Australia 1 second ago

62°F17°C & Cloudy

Wind is 8 mph13 km/h from the South, gusting to 16 mph25 km/h
May 29
5am62°F17°C8 mph13 km/h SouthCloudy
6am61°F16°C7 mph11 km/h SouthwestMostly Cloudy
7am60°F15°C6 mph9 km/h SouthwestMostly Cloudy
8am58°F14°C5 mph8 km/h SouthwestMostly Cloudy
9am56°F14°C5 mph8 km/h WestMostly Cloudy
10am55°F13°C5 mph8 km/h WestMostly Cloudy
11am54°F12°C5 mph8 km/h WestMostly Cloudy
12pm53°F12°C5 mph8 km/h WestMostly Clear
1pm53°F11°C5 mph8 km/h WestMostly Clear
2pm52°F11°C5 mph8 km/h WestMostly Clear
3pm52°F11°C5 mph8 km/h WestPartly Cloudy
4pm52°F11°C5 mph8 km/h WestMostly Clear
DateLowHighWindDayNight
May 2855°F13°C63°F17°C8 mph13 km/h from SouthwestCloudyPartly Cloudy
May 2952°F11°C67°F20°C5 mph9 km/h from SouthPartly CloudyPartly Cloudy
May 3053°F12°C66°F19°C4 mph7 km/h from SouthMostly ClearMostly Clear
May 3150°F10°C67°F20°C5 mph8 km/h from NorthClearMostly Clear
June 151°F11°C65°F18°C4 mph7 km/h from NorthwestCloudyMostly Cloudy
June 252°F11°C68°F20°C6 mph9 km/h from WestMostly ClearDrizzle
June 351°F11°C63°F17°C10 mph16 km/h from SouthwestDrizzleMostly Clear

Yes

Low of 52°F11°C, High of 67°F20°C
Wind: 5 mph9 km/h
Precipitation: None

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