No
you don't need a jacket based on the weather in Mona Vale NSW 2103, Australia 1 second ago
65°F18°C & Clear
Wind is 7 mph11 km/h from the East, gusting to 14 mph23 km/h
| September 12 | ||||
| 3am | 63°F17°C | 6 mph10 km/h East | Clear | |
| 4am | 60°F16°C | 5 mph8 km/h East | Clear | |
| 5am | 58°F14°C | 4 mph7 km/h East | Mostly Clear | |
| 6am | 56°F14°C | 3 mph5 km/h East | Partly Cloudy | |
| 7am | 56°F13°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 8am | 55°F13°C | 2 mph3 km/h South | Mostly Cloudy | |
| 9am | 55°F13°C | 3 mph5 km/h West | Mostly Cloudy | |
| 10am | 53°F12°C | 5 mph7 km/h West | Mostly Cloudy | |
| 11am | 52°F11°C | 5 mph9 km/h West | Mostly Cloudy | |
| 12pm | 52°F11°C | 6 mph9 km/h West | Partly Cloudy | |
| 1pm | 51°F11°C | 6 mph10 km/h West | Partly Cloudy | |
| 2pm | 50°F10°C | 6 mph10 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 48°F9°C | 66°F19°C | 5 mph9 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 12 | 49°F10°C | 68°F20°C | 5 mph8 km/h from East | Clear | Mostly Clear |
| September 13 | 48°F9°C | 73°F23°C | 5 mph8 km/h from North | Clear | Clear |
| September 14 | 51°F10°C | 77°F25°C | 7 mph11 km/h from Northwest | Clear | Mostly Cloudy |
| September 15 | 58°F14°C | 78°F26°C | 12 mph19 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| September 16 | 54°F12°C | 68°F20°C | 7 mph11 km/h from South | Mostly Clear | Mostly Clear |
| September 17 | 52°F11°C | 74°F23°C | 8 mph12 km/h from Northeast | Mostly Clear | Clear |
Yes
Low of 49°F10°C, High of 68°F20°CWind: 5 mph8 km/h
Precipitation: None