No
you don't need a jacket based on the weather in Irvine, CA 92617, USA 36 seconds ago
65°F18°C & Cloudy
Wind is 6 mph9 km/h from the West, gusting to 9 mph15 km/h
| December 14 | ||||
| 5pm | 65°F18°C | 6 mph10 km/h West | Mostly Cloudy | |
| 6pm | 63°F17°C | 6 mph9 km/h West | Mostly Cloudy | |
| 7pm | 61°F16°C | 6 mph9 km/h West | Mostly Cloudy | |
| 8pm | 59°F15°C | 4 mph7 km/h West | Partly Cloudy | |
| 9pm | 57°F14°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 10pm | 56°F13°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 11pm | 55°F13°C | 3 mph5 km/h West | Mostly Cloudy | |
| December 15 | ||||
| 12am | 55°F13°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 1am | 54°F12°C | 3 mph4 km/h West | Mostly Cloudy | |
| 2am | 54°F12°C | 3 mph4 km/h Northwest | Mostly Cloudy | |
| 3am | 53°F12°C | 2 mph3 km/h Northeast | Cloudy | |
| 4am | 53°F11°C | 2 mph3 km/h Northeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 14 | 46°F8°C | 65°F18°C | 4 mph6 km/h from West | Partly Cloudy | Mostly Cloudy |
| December 15 | 47°F9°C | 65°F18°C | 4 mph6 km/h from Northwest | Mostly Clear | Mostly Clear |
| December 16 | 47°F8°C | 68°F20°C | 4 mph6 km/h from West | Mostly Clear | Mostly Clear |
| December 17 | 46°F8°C | 68°F20°C | 3 mph5 km/h from West | Clear | Clear |
| December 18 | 51°F11°C | 74°F23°C | 3 mph4 km/h from Northwest | Clear | Mostly Clear |
| December 19 | 51°F11°C | 72°F22°C | 2 mph4 km/h from West | Mostly Clear | Mostly Clear |
| December 20 | 51°F10°C | 68°F20°C | 3 mph4 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 47°F9°C, High of 64°F18°CWind: 4 mph6 km/h
Precipitation: None