No
you don't need a jacket based on the weather in Placentia, CA 92870, USA 1 second ago
64°F18°C & Mostly Clear
Wind is 7 mph12 km/h from the Southwest, gusting to 11 mph18 km/h
| January 16 | ||||
| 6pm | 63°F17°C | 8 mph13 km/h Southwest | Mostly Clear | |
| 7pm | 61°F16°C | 8 mph13 km/h Southwest | Partly Cloudy | |
| 8pm | 58°F14°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 9pm | 56°F13°C | 4 mph7 km/h South | Partly Cloudy | |
| 10pm | 54°F12°C | 4 mph6 km/h South | Partly Cloudy | |
| 11pm | 52°F11°C | 4 mph6 km/h Southeast | Clear | |
| January 17 | ||||
| 12am | 50°F10°C | 4 mph6 km/h Southeast | Clear | |
| 1am | 49°F10°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 2am | 48°F9°C | 3 mph5 km/h East | Mostly Clear | |
| 3am | 47°F8°C | 3 mph5 km/h East | Mostly Clear | |
| 4am | 47°F8°C | 3 mph5 km/h East | Mostly Clear | |
| 5am | 46°F8°C | 3 mph5 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 16 | 45°F7°C | 65°F19°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| January 17 | 44°F7°C | 61°F16°C | 5 mph7 km/h from South | Mostly Clear | Mostly Clear |
| January 18 | 43°F6°C | 63°F17°C | 4 mph6 km/h from Southwest | Clear | Mostly Clear |
| January 19 | 42°F6°C | 63°F17°C | 4 mph6 km/h from Southwest | Mostly Clear | Partly Cloudy |
| January 20 | 45°F7°C | 64°F18°C | 3 mph5 km/h from Northwest | Mostly Clear | Mostly Clear |
| January 21 | 48°F9°C | 69°F21°C | 5 mph8 km/h from Northeast | Mostly Clear | Mostly Clear |
| January 22 | 46°F8°C | 70°F21°C | 3 mph5 km/h from Southwest | Partly Cloudy | Mostly Clear |
Yes
Low of 45°F7°C, High of 61°F16°CWind: 5 mph7 km/h
Precipitation: None