Yes
you do need a jacket based on the weather in Pasadena, CA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
54°F12°C & Partly Cloudy
Wind is 2 mph3 km/h from the Northeast, gusting to 6 mph10 km/h
| April 30 | ||||
| 5am | 54°F12°C | 2 mph4 km/h Northeast | Partly Cloudy | |
| 6am | 54°F12°C | 2 mph4 km/h North | Partly Cloudy | |
| 7am | 53°F12°C | 2 mph4 km/h North | Partly Cloudy | |
| 8am | 53°F12°C | 2 mph4 km/h North | Mostly Cloudy | |
| 9am | 53°F12°C | 2 mph3 km/h Northwest | Cloudy | |
| 10am | 53°F12°C | 1 mph2 km/h East | Cloudy | |
| 11am | 55°F13°C | 1 mph2 km/h Southeast | Cloudy | |
| 12pm | 59°F15°C | 3 mph5 km/h Southeast | Cloudy | |
| 1pm | 62°F17°C | 4 mph6 km/h South | Cloudy | |
| 2pm | 66°F19°C | 4 mph7 km/h South | Mostly Cloudy | |
| 3pm | 69°F21°C | 5 mph8 km/h South | Partly Cloudy | |
| 4pm | 72°F22°C | 6 mph9 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 30 | 53°F11°C | 74°F23°C | 5 mph8 km/h from South | Partly Cloudy | Partly Cloudy |
| May 1 | 54°F12°C | 71°F22°C | 5 mph8 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| May 2 | 55°F13°C | 73°F23°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| May 3 | 54°F12°C | 66°F19°C | 5 mph8 km/h from South | Mostly Cloudy | Mostly Cloudy |
| May 4 | 50°F10°C | 63°F17°C | 6 mph9 km/h from South | Mostly Cloudy | Cloudy |
| May 5 | 52°F11°C | 62°F17°C | 4 mph7 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| May 6 | 53°F12°C | 71°F22°C | 5 mph8 km/h from Southwest | Mostly Clear | Clear |
Yes
Low of 55°F13°C, High of 71°F22°CWind: 5 mph8 km/h
Precipitation: None