No
you don't need a jacket based on the weather in Altadena, CA, USA 1 second ago
59°F15°C & Clear
Wind is 1 mph2 km/h from the North, gusting to 1 mph2 km/h
| April 9 | ||||
| 6am | 59°F15°C | 1 mph2 km/h Northeast | Clear | |
| 7am | 58°F15°C | 1 mph2 km/h North | Clear | |
| 8am | 58°F14°C | 2 mph4 km/h Northwest | Clear | |
| 9am | 57°F14°C | 2 mph4 km/h Northwest | Clear | |
| 10am | 57°F14°C | 3 mph4 km/h Northwest | Clear | |
| 11am | 61°F16°C | 2 mph4 km/h Northwest | Clear | |
| 12pm | 66°F19°C | 2 mph3 km/h Southwest | Clear | |
| 1pm | 71°F22°C | 3 mph4 km/h South | Clear | |
| 2pm | 74°F24°C | 4 mph6 km/h South | Clear | |
| 3pm | 78°F25°C | 5 mph8 km/h South | Clear | |
| 4pm | 80°F27°C | 6 mph9 km/h South | Clear | |
| 5pm | 82°F28°C | 6 mph10 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 9 | 57°F14°C | 82°F28°C | 4 mph7 km/h from Southwest | Clear | Clear |
| April 10 | 59°F15°C | 83°F29°C | 5 mph7 km/h from Southwest | Mostly Clear | Mostly Clear |
| April 11 | 64°F18°C | 83°F29°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| April 12 | 59°F15°C | 78°F25°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| April 13 | 56°F13°C | 74°F23°C | 5 mph8 km/h from South | Mostly Clear | Partly Cloudy |
| April 14 | 54°F12°C | 71°F22°C | 4 mph7 km/h from South | Partly Cloudy | Mostly Clear |
| April 15 | 55°F13°C | 74°F23°C | 4 mph7 km/h from Southwest | Partly Cloudy | Mostly Clear |
No
Low of 59°F15°C, High of 83°F29°CWind: 5 mph7 km/h
Precipitation: None