No
you don't need a jacket based on the weather in Maricopa County, AZ, USA 18 minutes ago
61°F16°C & Cloudy
Wind is 4 mph6 km/h from the Northeast, gusting to 7 mph12 km/h
| December 16 | ||||
| 2pm | 65°F18°C | 4 mph7 km/h Northeast | Mostly Cloudy | |
| 3pm | 68°F20°C | 4 mph7 km/h Northeast | Mostly Cloudy | |
| 4pm | 70°F21°C | 5 mph8 km/h North | Mostly Cloudy | |
| 5pm | 71°F21°C | 6 mph10 km/h North | Mostly Cloudy | |
| 6pm | 71°F22°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 7pm | 67°F19°C | 3 mph5 km/h West | Clear | |
| 8pm | 62°F16°C | 3 mph5 km/h Southwest | Clear | |
| 9pm | 58°F14°C | 3 mph5 km/h South | Clear | |
| 10pm | 55°F13°C | 3 mph5 km/h Southeast | Clear | |
| 11pm | 53°F12°C | 3 mph5 km/h South | Clear | |
| December 17 | ||||
| 12am | 51°F11°C | 3 mph5 km/h South | Clear | |
| 1am | 50°F10°C | 3 mph4 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 16 | 38°F3°C | 71°F22°C | 4 mph6 km/h from North | Partly Cloudy | Clear |
| December 17 | 40°F5°C | 74°F23°C | 3 mph5 km/h from Northeast | Mostly Clear | Clear |
| December 18 | 44°F7°C | 78°F25°C | 6 mph10 km/h from Northeast | Clear | Clear |
| December 19 | 48°F9°C | 78°F26°C | 5 mph8 km/h from East | Clear | Mostly Clear |
| December 20 | 47°F8°C | 78°F25°C | 5 mph8 km/h from East | Mostly Clear | Mostly Clear |
| December 21 | 47°F8°C | 76°F24°C | 4 mph6 km/h from Northeast | Mostly Clear | Mostly Clear |
| December 22 | 46°F8°C | 72°F22°C | 3 mph5 km/h from Northeast | Mostly Clear | Mostly Clear |
Yes
Low of 40°F5°C, High of 73°F23°CWind: 3 mph5 km/h
Precipitation: None