Yes
you do need a jacket based on the weather in Pasadena, CA, USA 1 second ago
Why? Because it's not very warm out.
56°F13°C & Cloudy
Wind is 1 mph2 km/h from the S, gusting to 3 mph5 km/h
| April 18 | ||||
| 12pm | 58°F15°C | 2 mph4 km/h S | Cloudy | |
| 1pm | 62°F17°C | 3 mph5 km/h SE | Cloudy | |
| 2pm | 66°F19°C | 4 mph6 km/h S | Mostly Cloudy | |
| 3pm | 69°F20°C | 5 mph8 km/h S | Mostly Cloudy | |
| 4pm | 72°F22°C | 4 mph7 km/h S | Partly Cloudy | |
| 5pm | 74°F23°C | 6 mph9 km/h S | Mostly Clear | |
| 6pm | 75°F24°C | 7 mph11 km/h S | Clear | |
| 7pm | 74°F23°C | 8 mph13 km/h SW | Clear | |
| 8pm | 71°F22°C | 7 mph11 km/h SW | Clear | |
| 9pm | 68°F20°C | 6 mph9 km/h SW | Clear | |
| 10pm | 64°F18°C | 5 mph8 km/h SW | Clear | |
| 11pm | 60°F16°C | 3 mph5 km/h SW | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 18 | 53°F12°C | 75°F24°C | 5 mph8 km/h from S | Partly Cloudy | Partly Cloudy |
| April 19 | 52°F11°C | 69°F21°C | 5 mph8 km/h from SW | Mostly Clear | Mostly Clear |
| April 20 | 51°F11°C | 72°F22°C | 4 mph7 km/h from SW | Mostly Clear | Clear |
| April 21 | 54°F12°C | 79°F26°C | 4 mph7 km/h from SW | Clear | Mostly Clear |
| April 22 | 54°F12°C | 72°F22°C | 5 mph8 km/h from S | Mostly Clear | Mostly Cloudy |
| April 23 | 51°F11°C | 64°F18°C | 6 mph9 km/h from S | Mostly Cloudy | Rain |
| April 24 | 49°F10°C | 60°F16°C | 5 mph8 km/h from S | Drizzle | Partly Cloudy |
Yes
Low of 52°F11°C, High of 69°F21°CWind: 5 mph8 km/h
Precipitation: None