Yes
you do need a jacket based on the weather in Happy Valley SA 5159, Australia 1 second ago
Why? Because it's pretty chilly and the wind is harsh and biting!
59°F15°C & Clear
Wind is 9 mph15 km/h from the Southeast, gusting to 19 mph31 km/h
| December 21 | ||||
| 8am | 58°F15°C | 9 mph15 km/h Southeast | Mostly Clear | |
| 9am | 57°F14°C | 9 mph14 km/h Southeast | Mostly Clear | |
| 10am | 56°F14°C | 8 mph13 km/h Southeast | Clear | |
| 11am | 56°F13°C | 7 mph12 km/h South | Mostly Clear | |
| 12pm | 56°F13°C | 7 mph11 km/h South | Partly Cloudy | |
| 1pm | 55°F13°C | 6 mph10 km/h South | Mostly Clear | |
| 2pm | 55°F13°C | 6 mph10 km/h South | Mostly Clear | |
| 3pm | 55°F13°C | 6 mph10 km/h South | Mostly Clear | |
| 4pm | 58°F14°C | 8 mph13 km/h South | Mostly Clear | |
| 5pm | 61°F16°C | 8 mph13 km/h South | Mostly Clear | |
| 6pm | 63°F17°C | 8 mph13 km/h Southwest | Mostly Clear | |
| 7pm | 66°F19°C | 8 mph14 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 20 | 58°F14°C | 74°F23°C | 10 mph16 km/h from South | Mostly Clear | Mostly Clear |
| December 21 | 55°F13°C | 70°F21°C | 12 mph19 km/h from Southwest | Mostly Clear | Partly Cloudy |
| December 22 | 53°F11°C | 68°F20°C | 11 mph18 km/h from Southwest | Partly Cloudy | Mostly Clear |
| December 23 | 53°F12°C | 79°F26°C | 5 mph8 km/h from Southwest | Clear | Clear |
| December 24 | 64°F18°C | 92°F33°C | 7 mph12 km/h from Northwest | Clear | Clear |
| December 25 | 61°F16°C | 98°F36°C | 16 mph26 km/h from Northwest | Windy | Rain |
| December 26 | 57°F14°C | 68°F20°C | 15 mph23 km/h from West | Partly Cloudy | Drizzle |
Yes
Low of 55°F13°C, High of 70°F21°CWind: 12 mph19 km/h
Precipitation: None