No
you don't need a jacket based on the weather in Pomona (Westmont), California, United States 3 minutes ago
88°F31°C & Clear
Wind is 6 mph9 km/h from the Southwest, gusting to 9 mph15 km/h
| September 15 | ||||
| 4pm | 89°F31°C | 6 mph10 km/h Southwest | Clear | |
| 5pm | 90°F32°C | 7 mph12 km/h Southwest | Clear | |
| 6pm | 91°F33°C | 8 mph12 km/h Southwest | Clear | |
| 7pm | 91°F33°C | 8 mph13 km/h Southwest | Clear | |
| 8pm | 90°F32°C | 7 mph12 km/h Southwest | Clear | |
| 9pm | 87°F31°C | 7 mph11 km/h Southwest | Clear | |
| 10pm | 83°F28°C | 5 mph9 km/h Southwest | Clear | |
| 11pm | 79°F26°C | 3 mph5 km/h West | Clear | |
| September 16 | ||||
| 12am | 77°F25°C | 3 mph4 km/h West | Clear | |
| 1am | 75°F24°C | 2 mph4 km/h Northwest | Clear | |
| 2am | 73°F23°C | 2 mph3 km/h North | Clear | |
| 3am | 72°F22°C | 2 mph3 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 62°F16°C | 91°F33°C | 5 mph7 km/h from Southwest | Clear | Clear |
| September 16 | 68°F20°C | 94°F34°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| September 17 | 69°F21°C | 89°F32°C | 5 mph9 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 18 | 71°F22°C | 86°F30°C | 4 mph7 km/h from Southwest | Partly Cloudy | Mostly Clear |
| September 19 | 70°F21°C | 88°F31°C | 4 mph7 km/h from Southwest | Mostly Clear | Clear |
| September 20 | 68°F20°C | 89°F32°C | 5 mph8 km/h from Southwest | Clear | Clear |
| September 21 | 67°F19°C | 89°F32°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
No
Low of 68°F20°C, High of 94°F35°CWind: 5 mph8 km/h
Precipitation: None