No
you don't need a jacket based on the weather in Sydney Airport (SYD), Sydney NSW 2020, Australia 1 second ago
75°F24°C & Clear
Wind is 6 mph10 km/h from the Southwest, gusting to 17 mph27 km/h
| September 17 | ||||
| 1am | 75°F24°C | 8 mph13 km/h South | Clear | |
| 2am | 72°F22°C | 10 mph15 km/h South | Clear | |
| 3am | 70°F21°C | 9 mph15 km/h Southwest | Clear | |
| 4am | 67°F20°C | 8 mph13 km/h Southwest | Clear | |
| 5am | 64°F18°C | 9 mph14 km/h Southwest | Clear | |
| 6am | 62°F17°C | 10 mph16 km/h West | Clear | |
| 7am | 60°F15°C | 11 mph17 km/h West | Clear | |
| 8am | 58°F14°C | 9 mph15 km/h West | Clear | |
| 9am | 56°F13°C | 9 mph14 km/h West | Clear | |
| 10am | 55°F13°C | 9 mph15 km/h West | Clear | |
| 11am | 53°F12°C | 9 mph14 km/h West | Clear | |
| 12pm | 52°F11°C | 8 mph13 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 55°F13°C | 76°F25°C | 9 mph14 km/h from Southwest | Clear | Clear |
| September 17 | 50°F10°C | 70°F21°C | 6 mph10 km/h from Northeast | Clear | Clear |
| September 18 | 51°F10°C | 74°F24°C | 6 mph10 km/h from North | Partly Cloudy | Mostly Cloudy |
| September 19 | 50°F10°C | 68°F20°C | 12 mph19 km/h from West | Clear | Clear |
| September 20 | 47°F9°C | 68°F20°C | 7 mph11 km/h from West | Mostly Clear | Clear |
| September 21 | 50°F10°C | 69°F21°C | 10 mph17 km/h from West | Partly Cloudy | Rain |
| September 22 | 48°F9°C | 62°F17°C | 12 mph19 km/h from South | Drizzle | Clear |
Yes
Low of 50°F10°C, High of 70°F21°CWind: 6 mph10 km/h
Precipitation: None