No
you don't need a jacket based on the weather in Castle Hill NSW 2154, Australia 1 second ago
63°F17°C & Clear
Wind is 4 mph6 km/h from the Southwest, gusting to 9 mph15 km/h
| July 14 | ||||
| 2am | 62°F17°C | 3 mph5 km/h Southwest | Clear | |
| 3am | 59°F15°C | 3 mph5 km/h East | Clear | |
| 4am | 56°F13°C | 3 mph5 km/h East | Clear | |
| 5am | 54°F12°C | 4 mph6 km/h East | Clear | |
| 6am | 52°F11°C | 4 mph6 km/h East | Clear | |
| 7am | 50°F10°C | 2 mph4 km/h Southwest | Mostly Clear | |
| 8am | 49°F9°C | 3 mph5 km/h Southwest | Clear | |
| 9am | 47°F8°C | 3 mph5 km/h West | Clear | |
| 10am | 45°F7°C | 3 mph5 km/h Northwest | Clear | |
| 11am | 43°F6°C | 3 mph4 km/h Northwest | Mostly Clear | |
| 12pm | 42°F6°C | 2 mph4 km/h Northwest | Mostly Clear | |
| 1pm | 41°F5°C | 3 mph5 km/h Northwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 13 | 45°F7°C | 65°F18°C | 3 mph5 km/h from South | Clear | Mostly Clear |
| July 14 | 41°F5°C | 55°F13°C | 6 mph9 km/h from Northwest | Cloudy | Clear |
| July 15 | 37°F3°C | 62°F17°C | 3 mph5 km/h from Northwest | Clear | Partly Cloudy |
| July 16 | 35°F2°C | 61°F16°C | 2 mph3 km/h from West | Mostly Cloudy | Clear |
| July 17 | 39°F4°C | 59°F15°C | 5 mph8 km/h from South | Mostly Clear | Clear |
| July 18 | 38°F3°C | 63°F17°C | 4 mph7 km/h from North | Clear | Clear |
| July 19 | 38°F3°C | 63°F17°C | 3 mph4 km/h from West | Mostly Clear | Partly Cloudy |
Yes
Low of 41°F5°C, High of 55°F13°CWind: 6 mph9 km/h
Precipitation: 16% rain