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.
53°F12°C & Mostly Cloudy
Wind is 1 mph2 km/h from the NE, gusting to 3 mph5 km/h
| April 20 | ||||
| 9am | 53°F12°C | 1 mph2 km/h E | Mostly Cloudy | |
| 10am | 54°F12°C | 1 mph2 km/h NE | Mostly Cloudy | |
| 11am | 54°F12°C | 1 mph2 km/h S | Mostly Cloudy | |
| 12pm | 56°F13°C | 2 mph3 km/h S | Mostly Cloudy | |
| 1pm | 58°F14°C | 2 mph3 km/h S | Mostly Cloudy | |
| 2pm | 62°F16°C | 3 mph4 km/h SW | Partly Cloudy | |
| 3pm | 65°F19°C | 3 mph5 km/h SW | Mostly Clear | |
| 4pm | 69°F21°C | 4 mph6 km/h SW | Mostly Clear | |
| 5pm | 72°F22°C | 5 mph8 km/h SW | Clear | |
| 6pm | 74°F23°C | 7 mph11 km/h SW | Clear | |
| 7pm | 73°F23°C | 7 mph11 km/h SW | Clear | |
| 8pm | 72°F22°C | 6 mph10 km/h SW | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 20 | 52°F11°C | 74°F23°C | 4 mph6 km/h from SW | Mostly Clear | Mostly Clear |
| April 21 | 55°F13°C | 81°F27°C | 4 mph7 km/h from SW | Clear | Mostly Clear |
| April 22 | 55°F13°C | 76°F25°C | 5 mph8 km/h from S | Mostly Clear | Partly Cloudy |
| April 23 | 52°F11°C | 69°F21°C | 5 mph8 km/h from S | Partly Cloudy | Partly Cloudy |
| April 24 | 50°F10°C | 68°F20°C | 5 mph8 km/h from S | Partly Cloudy | Partly Cloudy |
| April 25 | 50°F10°C | 65°F18°C | 5 mph8 km/h from SW | Partly Cloudy | Mostly Cloudy |
| April 26 | 50°F10°C | 61°F16°C | 5 mph8 km/h from SW | Mostly Cloudy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 81°F27°CWind: 4 mph7 km/h
Precipitation: None