No
you don't need a jacket based on the weather in Pomona, CA, USA 1 second ago
80°F27°C & Cloudy
Wind is 4 mph7 km/h from the Southwest, gusting to 7 mph11 km/h
| September 18 | ||||
| 9pm | 80°F27°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 10pm | 77°F25°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 11pm | 76°F24°C | 4 mph7 km/h West | Mostly Clear | |
| September 19 | ||||
| 12am | 74°F23°C | 4 mph6 km/h West | Mostly Cloudy | |
| 1am | 72°F22°C | 2 mph4 km/h West | Mostly Clear | |
| 2am | 71°F22°C | 2 mph4 km/h West | Mostly Clear | |
| 3am | 70°F21°C | 2 mph4 km/h West | Partly Cloudy | |
| 4am | 70°F21°C | 1 mph2 km/h West | Partly Cloudy | |
| 5am | 70°F21°C | 1 mph2 km/h West | Partly Cloudy | |
| 6am | 69°F21°C | 2 mph3 km/h West | Partly Cloudy | |
| 7am | 68°F20°C | 2 mph3 km/h West | Partly Cloudy | |
| 8am | 68°F20°C | 2 mph3 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 69°F21°C | 83°F29°C | 4 mph7 km/h from South | Thunderstorms | Partly Cloudy |
| September 19 | 67°F19°C | 83°F28°C | 4 mph7 km/h from Southwest | Mostly Clear | Clear |
| September 20 | 65°F18°C | 87°F31°C | 5 mph7 km/h from Southwest | Clear | Clear |
| September 21 | 65°F18°C | 84°F29°C | 5 mph7 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 22 | 68°F20°C | 90°F32°C | 4 mph7 km/h from Southwest | Mostly Clear | Clear |
| September 23 | 69°F21°C | 93°F34°C | 4 mph7 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 24 | 67°F20°C | 91°F33°C | 5 mph8 km/h from Southwest | Clear | Clear |
No
Low of 67°F20°C, High of 83°F29°CWind: 4 mph7 km/h
Precipitation: 43% rain