No
you don't need a jacket based on the weather in Whittier, CA, USA 1 second ago
63°F17°C & Clear
Wind is 3 mph5 km/h from the Southeast, gusting to 6 mph9 km/h
| September 12 | ||||
| 5am | 63°F17°C | 4 mph6 km/h Southeast | Clear | |
| 6am | 63°F17°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 7am | 62°F17°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 8am | 62°F17°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 9am | 62°F17°C | 3 mph5 km/h Southeast | Partly Cloudy | |
| 10am | 63°F17°C | 3 mph4 km/h Southeast | Mostly Cloudy | |
| 11am | 64°F18°C | 3 mph4 km/h Southeast | Mostly Cloudy | |
| 12pm | 67°F19°C | 3 mph5 km/h Southeast | Partly Cloudy | |
| 1pm | 70°F21°C | 3 mph6 km/h South | Mostly Clear | |
| 2pm | 74°F23°C | 4 mph6 km/h South | Mostly Clear | |
| 3pm | 77°F25°C | 5 mph8 km/h Southwest | Clear | |
| 4pm | 79°F26°C | 7 mph11 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 12 | 62°F17°C | 80°F27°C | 6 mph9 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 13 | 65°F18°C | 82°F28°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 14 | 65°F18°C | 86°F30°C | 5 mph8 km/h from Southwest | Mostly Clear | Clear |
| September 15 | 64°F18°C | 86°F30°C | 5 mph8 km/h from Southwest | Clear | Clear |
| September 16 | 64°F18°C | 89°F31°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| September 17 | 66°F19°C | 90°F32°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 18 | 69°F20°C | 87°F31°C | 5 mph8 km/h from Southwest | Partly Cloudy | Mostly Clear |
No
Low of 64°F18°C, High of 82°F28°CWind: 5 mph8 km/h
Precipitation: None