Yes
you do need a jacket based on the weather in Mesa, AZ, USA 1 second ago
Why? Because the cold's there, but it's just a reminder, not an invasion!
44°F7°C & Clear
Wind is 2 mph3 km/h from the Northeast, gusting to 4 mph6 km/h
| December 15 | ||||
| 6am | 44°F7°C | 2 mph4 km/h Northeast | Clear | |
| 7am | 43°F6°C | 3 mph5 km/h East | Clear | |
| 8am | 42°F5°C | 3 mph4 km/h Northeast | Clear | |
| 9am | 41°F5°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 10am | 42°F5°C | 3 mph5 km/h East | Mostly Clear | |
| 11am | 47°F8°C | 2 mph4 km/h Northeast | Mostly Clear | |
| 12pm | 54°F12°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 1pm | 60°F16°C | 1 mph2 km/h North | Partly Cloudy | |
| 2pm | 65°F18°C | 2 mph3 km/h West | Mostly Clear | |
| 3pm | 68°F20°C | 3 mph4 km/h West | Partly Cloudy | |
| 4pm | 69°F21°C | 3 mph5 km/h West | Partly Cloudy | |
| 5pm | 70°F21°C | 4 mph6 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 15 | 41°F5°C | 70°F21°C | 3 mph5 km/h from West | Mostly Clear | Clear |
| December 16 | 41°F5°C | 70°F21°C | 3 mph6 km/h from Northwest | Partly Cloudy | Clear |
| December 17 | 43°F6°C | 72°F22°C | 3 mph5 km/h from Northwest | Mostly Clear | Clear |
| December 18 | 46°F8°C | 78°F26°C | 4 mph6 km/h from East | Clear | Clear |
| December 19 | 50°F10°C | 78°F26°C | 3 mph4 km/h from Northeast | Clear | Mostly Clear |
| December 20 | 50°F10°C | 77°F25°C | 2 mph4 km/h from Northeast | Mostly Clear | Mostly Clear |
| December 21 | 52°F11°C | 73°F23°C | 2 mph4 km/h from Northwest | Mostly Clear | Partly Cloudy |
Yes
Low of 41°F5°C, High of 71°F22°CWind: 3 mph6 km/h
Precipitation: None