No
you don't need a jacket based on the weather in Willoughby NSW 2068, Australia 1 second ago
62°F16°C & Clear
Wind is 3 mph5 km/h from the West, gusting to 10 mph16 km/h
| September 17 | ||||
| 9pm | 64°F18°C | 2 mph4 km/h West | Clear | |
| 10pm | 66°F19°C | 3 mph6 km/h Northeast | Clear | |
| 11pm | 68°F20°C | 5 mph9 km/h Northeast | Clear | |
| September 18 | ||||
| 12am | 69°F21°C | 6 mph10 km/h Northeast | Clear | |
| 1am | 69°F20°C | 9 mph14 km/h Northeast | Clear | |
| 2am | 68°F20°C | 9 mph15 km/h Northeast | Clear | |
| 3am | 66°F19°C | 9 mph14 km/h Northeast | Clear | |
| 4am | 64°F18°C | 9 mph14 km/h Northeast | Clear | |
| 5am | 63°F17°C | 8 mph13 km/h Northeast | Clear | |
| 6am | 62°F16°C | 8 mph13 km/h Northeast | Clear | |
| 7am | 61°F16°C | 8 mph13 km/h North | Clear | |
| 8am | 60°F16°C | 8 mph12 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 51°F11°C | 69°F21°C | 6 mph10 km/h from Northeast | Clear | Clear |
| September 18 | 51°F10°C | 75°F24°C | 6 mph10 km/h from North | Mostly Clear | Mostly Cloudy |
| September 19 | 52°F11°C | 69°F20°C | 12 mph19 km/h from West | Clear | Clear |
| September 20 | 48°F9°C | 69°F21°C | 7 mph11 km/h from West | Mostly Clear | Clear |
| September 21 | 50°F10°C | 68°F20°C | 8 mph13 km/h from Southwest | Partly Cloudy | Rain |
| September 22 | 45°F7°C | 60°F16°C | 12 mph19 km/h from South | Rain | Mostly Clear |
| September 23 | 46°F8°C | 67°F19°C | 6 mph10 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 51°F11°C, High of 75°F24°CWind: 6 mph10 km/h
Precipitation: None