No
you don't need a jacket based on the weather in Placentia, CA 92870, USA 1 second ago
74°F24°C & Clear
Wind is 3 mph5 km/h from the South, gusting to 6 mph9 km/h
| September 8 | ||||
| 2am | 73°F23°C | 3 mph5 km/h South | Clear | |
| 3am | 72°F22°C | 2 mph3 km/h South | Clear | |
| 4am | 70°F21°C | 3 mph4 km/h South | Clear | |
| 5am | 69°F20°C | 2 mph4 km/h South | Clear | |
| 6am | 68°F20°C | 2 mph3 km/h Southeast | Clear | |
| 7am | 67°F19°C | 2 mph3 km/h East | Clear | |
| 8am | 66°F19°C | 1 mph2 km/h East | Clear | |
| 9am | 66°F19°C | 2 mph3 km/h East | Clear | |
| 10am | 66°F19°C | 2 mph3 km/h East | Clear | |
| 11am | 69°F20°C | 2 mph2 km/h Southeast | Clear | |
| 12pm | 73°F23°C | 2 mph3 km/h Southwest | Clear | |
| 1pm | 78°F26°C | 3 mph5 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 65°F18°C | 92°F33°C | 4 mph6 km/h from Southwest | Clear | Clear |
| September 8 | 65°F19°C | 88°F31°C | 6 mph10 km/h from Southwest | Clear | Mostly Clear |
| September 9 | 64°F18°C | 82°F28°C | 6 mph10 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 10 | 64°F18°C | 79°F26°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 11 | 62°F17°C | 79°F26°C | 6 mph9 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 12 | 62°F16°C | 80°F27°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 13 | 62°F17°C | 83°F28°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
No
Low of 65°F19°C, High of 89°F32°CWind: 6 mph10 km/h
Precipitation: None