No
you don't need a jacket based on the weather in Hornsby NSW 2077, Australia 1 second ago
61°F16°C & Clear
Wind is 7 mph12 km/h from the Southwest, gusting to 19 mph30 km/h
| July 11 | ||||
| 10pm | 62°F16°C | 7 mph12 km/h Southwest | Clear | |
| 11pm | 63°F17°C | 7 mph11 km/h Southwest | Clear | |
| July 12 | ||||
| 12am | 64°F18°C | 6 mph10 km/h Southwest | Clear | |
| 1am | 64°F18°C | 6 mph9 km/h Southwest | Clear | |
| 2am | 63°F17°C | 5 mph9 km/h Southwest | Clear | |
| 3am | 59°F15°C | 5 mph7 km/h South | Clear | |
| 4am | 57°F14°C | 4 mph6 km/h North | Clear | |
| 5am | 56°F13°C | 2 mph3 km/h West | Mostly Clear | |
| 6am | 53°F12°C | 2 mph4 km/h West | Clear | |
| 7am | 52°F11°C | 3 mph5 km/h Southwest | Clear | |
| 8am | 50°F10°C | 3 mph5 km/h Southwest | Clear | |
| 9am | 49°F9°C | 3 mph5 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 11 | 44°F7°C | 64°F18°C | 4 mph7 km/h from Southwest | Clear | Mostly Clear |
| July 12 | 40°F5°C | 64°F18°C | 5 mph8 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| July 13 | 44°F7°C | 63°F17°C | 3 mph5 km/h from West | Clear | Partly Cloudy |
| July 14 | 43°F6°C | 57°F14°C | 5 mph8 km/h from Northwest | Drizzle | Clear |
| July 15 | 39°F4°C | 62°F16°C | 4 mph6 km/h from West | Clear | Clear |
| July 16 | 39°F4°C | 62°F16°C | 3 mph5 km/h from Northwest | Partly Cloudy | Clear |
| July 17 | 40°F5°C | 61°F16°C | 4 mph6 km/h from South | Mostly Clear | Drizzle |
Yes
Low of 40°F5°C, High of 64°F18°CWind: 5 mph8 km/h
Precipitation: None