Yes
you do need a jacket based on the weather in Castle Hill NSW 2154, Australia 1 second ago
Why? Because it's not very warm out.
53°F12°C & Mostly Clear
Wind is 5 mph8 km/h from the N, gusting to 12 mph19 km/h
| September 20 | ||||
| 11am | 53°F12°C | 6 mph9 km/h N | Clear | |
| 12pm | 52°F11°C | 6 mph9 km/h N | Clear | |
| 1pm | 51°F11°C | 6 mph10 km/h N | Mostly Clear | |
| 2pm | 51°F11°C | 6 mph10 km/h N | Clear | |
| 3pm | 50°F10°C | 6 mph10 km/h N | Clear | |
| 4pm | 50°F10°C | 5 mph9 km/h N | Clear | |
| 5pm | 52°F11°C | 5 mph8 km/h N | Clear | |
| 6pm | 57°F14°C | 5 mph7 km/h NW | Clear | |
| 7pm | 62°F16°C | 5 mph8 km/h NW | Clear | |
| 8pm | 65°F18°C | 6 mph10 km/h NW | Clear | |
| 9pm | 68°F20°C | 6 mph10 km/h W | Clear | |
| 10pm | 70°F21°C | 6 mph9 km/h W | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 20 | 50°F10°C | 73°F23°C | 7 mph11 km/h from W | Clear | Clear |
| September 21 | 48°F9°C | 75°F24°C | 7 mph11 km/h from W | Mostly Clear | Clear |
| September 22 | 49°F9°C | 80°F27°C | 5 mph8 km/h from NW | Clear | Partly Cloudy |
| September 23 | 53°F12°C | 78°F26°C | 6 mph9 km/h from NE | Mostly Cloudy | Mostly Cloudy |
| September 24 | 59°F15°C | 81°F27°C | 11 mph18 km/h from NW | Cloudy | Rain |
| September 25 | 50°F10°C | 62°F17°C | 8 mph14 km/h from S | Rain | Mostly Cloudy |
| September 26 | 48°F9°C | 64°F18°C | 6 mph9 km/h from E | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 48°F9°C, High of 75°F24°CWind: 7 mph11 km/h
Precipitation: None