No
you don't need a jacket based on the weather in Pasadena, CA, USA 1 second ago
72°F22°C & Clear
Wind is 3 mph5 km/h from the Southwest, gusting to 5 mph8 km/h
| September 15 | ||||
| 12am | 70°F21°C | 2 mph4 km/h Southwest | Clear | |
| 1am | 69°F20°C | 2 mph3 km/h South | Partly Cloudy | |
| 2am | 68°F20°C | 2 mph3 km/h Southeast | Mostly Cloudy | |
| 3am | 68°F20°C | 2 mph3 km/h Southeast | Mostly Cloudy | |
| 4am | 68°F20°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 5am | 66°F19°C | 1 mph2 km/h Northwest | Mostly Clear | |
| 6am | 65°F18°C | 1 mph2 km/h North | Partly Cloudy | |
| 7am | 65°F18°C | 2 mph3 km/h North | Mostly Clear | |
| 8am | 64°F18°C | 2 mph3 km/h Northwest | Mostly Clear | |
| 9am | 63°F17°C | 1 mph2 km/h Northwest | Mostly Clear | |
| 10am | 63°F17°C | 1 mph1 km/h Northeast | Mostly Clear | |
| 11am | 66°F19°C | 1 mph2 km/h Southeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 14 | 61°F16°C | 86°F30°C | 2 mph4 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 15 | 63°F17°C | 90°F32°C | 4 mph6 km/h from Southwest | Clear | Clear |
| September 16 | 69°F21°C | 93°F34°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| September 17 | 71°F22°C | 88°F31°C | 4 mph7 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 18 | 72°F22°C | 86°F30°C | 4 mph7 km/h from South | Partly Cloudy | Partly Cloudy |
| September 19 | 70°F21°C | 87°F30°C | 4 mph7 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 20 | 68°F20°C | 83°F28°C | 4 mph7 km/h from Southwest | Mostly Clear | Mostly Clear |
No
Low of 63°F17°C, High of 90°F32°CWind: 4 mph6 km/h
Precipitation: None