Yes
you do need a jacket based on the weather in Whittier, CA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
58°F15°C & Partly Cloudy
Wind is 6 mph10 km/h from the SE, gusting to 14 mph23 km/h
| April 27 | ||||
| 1am | 58°F14°C | 6 mph10 km/h SE | Clear | |
| 2am | 56°F14°C | 3 mph5 km/h E | Clear | |
| 3am | 56°F13°C | 4 mph6 km/h E | Clear | |
| 4am | 55°F13°C | 3 mph5 km/h E | Clear | |
| 5am | 54°F12°C | 3 mph5 km/h E | Clear | |
| 6am | 53°F12°C | 3 mph5 km/h E | Clear | |
| 7am | 52°F11°C | 3 mph6 km/h E | Mostly Clear | |
| 8am | 52°F11°C | 3 mph5 km/h NE | Mostly Clear | |
| 9am | 52°F11°C | 3 mph5 km/h E | Mostly Clear | |
| 10am | 53°F12°C | 4 mph6 km/h E | Mostly Clear | |
| 11am | 56°F13°C | 3 mph6 km/h E | Mostly Clear | |
| 12pm | 59°F15°C | 3 mph5 km/h SE | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 26 | 53°F12°C | 68°F20°C | 6 mph9 km/h from SW | Partly Cloudy | Mostly Clear |
| April 27 | 52°F11°C | 72°F22°C | 6 mph10 km/h from SW | Clear | Clear |
| April 28 | 53°F12°C | 75°F24°C | 6 mph9 km/h from SW | Clear | Clear |
| April 29 | 55°F13°C | 78°F25°C | 6 mph10 km/h from SW | Clear | Clear |
| April 30 | 56°F13°C | 77°F25°C | 6 mph10 km/h from SW | Clear | Mostly Clear |
| May 1 | 54°F12°C | 73°F23°C | 6 mph10 km/h from SW | Mostly Clear | Mostly Clear |
| May 2 | 55°F13°C | 80°F26°C | 6 mph9 km/h from SW | Mostly Clear | Mostly Clear |
Yes
Low of 52°F11°C, High of 73°F23°CWind: 6 mph10 km/h
Precipitation: None