Yes
you do need a jacket based on the weather in Pasadena, CA 91101, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
55°F13°C & Cloudy
Wind is 1 mph2 km/h from the N, gusting to 3 mph5 km/h
| April 18 | ||||
| 6am | 55°F13°C | 2 mph3 km/h N | Cloudy | |
| 7am | 54°F12°C | 1 mph2 km/h N | Cloudy | |
| 8am | 54°F12°C | 2 mph2 km/h NW | Cloudy | |
| 9am | 53°F12°C | 2 mph3 km/h N | Cloudy | |
| 10am | 54°F12°C | 2 mph3 km/h N | Cloudy | |
| 11am | 56°F14°C | 2 mph2 km/h S | Cloudy | |
| 12pm | 59°F15°C | 1 mph2 km/h S | Cloudy | |
| 1pm | 62°F17°C | 2 mph4 km/h S | Cloudy | |
| 2pm | 66°F19°C | 3 mph5 km/h S | Cloudy | |
| 3pm | 69°F21°C | 4 mph7 km/h S | Mostly Cloudy | |
| 4pm | 72°F22°C | 5 mph8 km/h S | Partly Cloudy | |
| 5pm | 74°F24°C | 6 mph9 km/h SW | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 18 | 53°F12°C | 76°F24°C | 4 mph7 km/h from S | Partly Cloudy | Partly Cloudy |
| April 19 | 53°F11°C | 70°F21°C | 5 mph8 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 20 | 51°F11°C | 72°F22°C | 5 mph8 km/h from SW | Mostly Clear | Mostly Clear |
| April 21 | 53°F12°C | 78°F26°C | 4 mph7 km/h from SW | Mostly Clear | Mostly Clear |
| April 22 | 54°F12°C | 73°F23°C | 6 mph9 km/h from S | Mostly Clear | Mostly Cloudy |
| April 23 | 52°F11°C | 64°F18°C | 6 mph9 km/h from S | Mostly Cloudy | Mostly Cloudy |
| April 24 | 50°F10°C | 61°F16°C | 5 mph8 km/h from S | Mostly Cloudy | Partly Cloudy |
Yes
Low of 53°F12°C, High of 70°F21°CWind: 5 mph8 km/h
Precipitation: None